20921575080

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{131}}^1\times {\mathrm{157}}^1\times {\mathrm{173}}^1$

素因数の和:489

約数の個数: 384

約数和(自身を含む): 74465930880

約数和(自身を除く): 53544355800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 84, 98, 105, 120, 131, 140, 147, 157, 168, 173, 196, 210, 245, 262, 280, 294, 314, 346, 392, 393, 420, 471, 490, 519, 524, 588, 628, 655, 692, 735, 785, 786, 840, 865, 917, 942, 980, 1038, 1048, 1099, 1176, 1211, 1256, 1310, 1384, 1470, 1570, 1572, 1730, 1834, 1884, 1960, 1965, 2076, 2198, 2355, 2422, 2595, 2620, 2751, 2940, 3140, 3144, 3297, 3460, 3633, 3668, 3768, 3930, 4152, 4396, 4585, 4710, 4844, 5190, 5240, 5495, 5502, 5880, 6055, 6280, 6419, 6594, 6920, 7266, 7336, 7693, 7860, 8477, 8792, 9170, 9420, 9688, 10380, 10990, 11004, 12110, 12838, 13188, 13755, 14532, 15386, 15720, 16485, 16954, 18165, 18340, 18840, 19257, 20567, 20760, 21980, 22008, 22663, 23079, 24220, 25431, 25676, 26376, 27161, 27510, 29064, 30772, 32095, 32970, 33908, 36330, 36680, 38465, 38514, 41134, 42385, 43960, 45326, 46158, 48440, 50862, 51352, 54322, 55020, 61544, 61701, 64190, 65940, 67816, 67989, 72660, 76930, 77028, 81483, 82268, 84770, 90652, 92316, 96285, 101724, 102835, 108644, 110040, 113315, 115395, 123402, 127155, 128380, 131880, 135805, 135978, 143969, 145320, 153860, 154056, 158641, 162966, 164536, 169540, 181304, 184632, 190127, 192570, 203448, 205670, 217288, 226630, 230790, 246804, 254310, 256760, 271610, 271956, 287938, 307720, 308505, 317282, 325932, 339080, 339945, 380254, 385140, 407415, 411340, 431907, 453260, 461580, 475923, 493608, 508620, 543220, 543912, 570381, 575876, 617010, 634564, 651864, 679890, 719845, 760508, 770280, 793205, 814830, 822680, 863814, 906520, 923160, 950635, 951846, 1007783, 1017240, 1086440, 1110487, 1140762, 1151752, 1234020, 1269128, 1330889, 1359780, 1439690, 1521016, 1586410, 1629660, 1727628, 1901270, 1903692, 2015566, 2159535, 2220974, 2281524, 2379615, 2468040, 2661778, 2719560, 2851905, 2879380, 3023349, 3172820, 3259320, 3331461, 3455256, 3558091, 3802540, 3807384, 3992667, 4031132, 4319070, 4441948, 4563048, 4759230, 5038915, 5323556, 5552435, 5703810, 5758760, 6046698, 6345640, 6654445, 6662922, 7116182, 7605080, 7985334, 8062264, 8638140, 8883896, 9518460, 10077830, 10647112, 10674273, 11104870, 11407620, 12093396, 13308890, 13325844, 14232364, 15116745, 15970668, 16657305, 17276280, 17790455, 19036920, 19963335, 20155660, 21348546, 22209740, 22815240, 24186792, 24906637, 26617780, 26651688, 28464728, 30233490, 31941336, 33314610, 35580910, 39926670, 40311320, 42697092, 44419480, 49813274, 53235560, 53371365, 60466980, 66629220, 71161820, 74719911, 79853340, 85394184, 99626548, 106742730, 120933960, 124533185, 133258440, 142323640, 149439822, 159706680, 174346459, 199253096, 213485460, 249066370, 298879644, 348692918, 373599555, 426970920, 498132740, 523039377, 597759288, 697385836, 747199110, 871732295, 996265480, 1046078754, 1394771672, 1494398220, 1743464590, 2092157508, 2615196885, 2988796440, 3486929180, 4184315016, 5230393770, 6973858360, 10460787540, 20921575080]

約数ペア:

[(1, 20921575080), (2, 10460787540), (3, 6973858360), (4, 5230393770), (5, 4184315016), (6, 3486929180), (7, 2988796440), (8, 2615196885), (10, 2092157508), (12, 1743464590), (14, 1494398220), (15, 1394771672), (20, 1046078754), (21, 996265480), (24, 871732295), (28, 747199110), (30, 697385836), (35, 597759288), (40, 523039377), (42, 498132740), (49, 426970920), (56, 373599555), (60, 348692918), (70, 298879644), (84, 249066370), (98, 213485460), (105, 199253096), (120, 174346459), (131, 159706680), (140, 149439822), (147, 142323640), (157, 133258440), (168, 124533185), (173, 120933960), (196, 106742730), (210, 99626548), (245, 85394184), (262, 79853340), (280, 74719911), (294, 71161820), (314, 66629220), (346, 60466980), (392, 53371365), (393, 53235560), (420, 49813274), (471, 44419480), (490, 42697092), (519, 40311320), (524, 39926670), (588, 35580910), (628, 33314610), (655, 31941336), (692, 30233490), (735, 28464728), (785, 26651688), (786, 26617780), (840, 24906637), (865, 24186792), (917, 22815240), (942, 22209740), (980, 21348546), (1038, 20155660), (1048, 19963335), (1099, 19036920), (1176, 17790455), (1211, 17276280), (1256, 16657305), (1310, 15970668), (1384, 15116745), (1470, 14232364), (1570, 13325844), (1572, 13308890), (1730, 12093396), (1834, 11407620), (1884, 11104870), (1960, 10674273), (1965, 10647112), (2076, 10077830), (2198, 9518460), (2355, 8883896), (2422, 8638140), (2595, 8062264), (2620, 7985334), (2751, 7605080), (2940, 7116182), (3140, 6662922), (3144, 6654445), (3297, 6345640), (3460, 6046698), (3633, 5758760), (3668, 5703810), (3768, 5552435), (3930, 5323556), (4152, 5038915), (4396, 4759230), (4585, 4563048), (4710, 4441948), (4844, 4319070), (5190, 4031132), (5240, 3992667), (5495, 3807384), (5502, 3802540), (5880, 3558091), (6055, 3455256), (6280, 3331461), (6419, 3259320), (6594, 3172820), (6920, 3023349), (7266, 2879380), (7336, 2851905), (7693, 2719560), (7860, 2661778), (8477, 2468040), (8792, 2379615), (9170, 2281524), (9420, 2220974), (9688, 2159535), (10380, 2015566), (10990, 1903692), (11004, 1901270), (12110, 1727628), (12838, 1629660), (13188, 1586410), (13755, 1521016), (14532, 1439690), (15386, 1359780), (15720, 1330889), (16485, 1269128), (16954, 1234020), (18165, 1151752), (18340, 1140762), (18840, 1110487), (19257, 1086440), (20567, 1017240), (20760, 1007783), (21980, 951846), (22008, 950635), (22663, 923160), (23079, 906520), (24220, 863814), (25431, 822680), (25676, 814830), (26376, 793205), (27161, 770280), (27510, 760508), (29064, 719845), (30772, 679890), (32095, 651864), (32970, 634564), (33908, 617010), (36330, 575876), (36680, 570381), (38465, 543912), (38514, 543220), (41134, 508620), (42385, 493608), (43960, 475923), (45326, 461580), (46158, 453260), (48440, 431907), (50862, 411340), (51352, 407415), (54322, 385140), (55020, 380254), (61544, 339945), (61701, 339080), (64190, 325932), (65940, 317282), (67816, 308505), (67989, 307720), (72660, 287938), (76930, 271956), (77028, 271610), (81483, 256760), (82268, 254310), (84770, 246804), (90652, 230790), (92316, 226630), (96285, 217288), (101724, 205670), (102835, 203448), (108644, 192570), (110040, 190127), (113315, 184632), (115395, 181304), (123402, 169540), (127155, 164536), (128380, 162966), (131880, 158641), (135805, 154056), (135978, 153860), (143969, 145320)]