8720558820

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{449}}^1\times {\mathrm{631}}^1$

素因数の和:1120

約数の個数: 240

約数和(自身を含む): 28906416000

約数和(自身を除く): 20185857180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 38, 45, 54, 57, 60, 76, 81, 90, 95, 108, 114, 135, 162, 171, 180, 190, 228, 270, 285, 324, 342, 380, 405, 449, 513, 540, 570, 631, 684, 810, 855, 898, 1026, 1140, 1262, 1347, 1539, 1620, 1710, 1796, 1893, 2052, 2245, 2524, 2565, 2694, 3078, 3155, 3420, 3786, 4041, 4490, 5130, 5388, 5679, 6156, 6310, 6735, 7572, 7695, 8082, 8531, 8980, 9465, 10260, 11358, 11989, 12123, 12620, 13470, 15390, 16164, 17037, 17062, 18930, 20205, 22716, 23978, 24246, 25593, 26940, 28395, 30780, 34074, 34124, 35967, 36369, 37860, 40410, 42655, 47956, 48492, 51111, 51186, 56790, 59945, 60615, 68148, 71934, 72738, 76779, 80820, 85185, 85310, 102222, 102372, 107901, 113580, 119890, 121230, 127965, 143868, 145476, 153558, 170370, 170620, 179835, 181845, 204444, 215802, 230337, 239780, 242460, 255555, 255930, 283319, 307116, 323703, 340740, 359670, 363690, 383895, 431604, 460674, 511110, 511860, 539505, 566638, 647406, 691011, 719340, 727380, 767790, 849957, 921348, 971109, 1022220, 1079010, 1133276, 1151685, 1294812, 1382022, 1416595, 1535580, 1618515, 1699914, 1942218, 2158020, 2303370, 2549871, 2764044, 2833190, 3237030, 3399828, 3455055, 3884436, 4249785, 4606740, 4855545, 5099742, 5383061, 5666380, 6474060, 6910110, 7649613, 8499570, 9711090, 10199484, 10766122, 12749355, 13820220, 15299226, 16149183, 16999140, 19422180, 21532244, 22948839, 25498710, 26915305, 30598452, 32298366, 38248065, 45897678, 48447549, 50997420, 53830610, 64596732, 76496130, 80745915, 91795356, 96895098, 107661220, 114744195, 145342647, 152992260, 161491830, 193790196, 229488390, 242237745, 290685294, 322983660, 436027941, 458976780, 484475490, 581370588, 726713235, 872055882, 968950980, 1453426470, 1744111764, 2180139705, 2906852940, 4360279410, 8720558820]

約数ペア:

[(1, 8720558820), (2, 4360279410), (3, 2906852940), (4, 2180139705), (5, 1744111764), (6, 1453426470), (9, 968950980), (10, 872055882), (12, 726713235), (15, 581370588), (18, 484475490), (19, 458976780), (20, 436027941), (27, 322983660), (30, 290685294), (36, 242237745), (38, 229488390), (45, 193790196), (54, 161491830), (57, 152992260), (60, 145342647), (76, 114744195), (81, 107661220), (90, 96895098), (95, 91795356), (108, 80745915), (114, 76496130), (135, 64596732), (162, 53830610), (171, 50997420), (180, 48447549), (190, 45897678), (228, 38248065), (270, 32298366), (285, 30598452), (324, 26915305), (342, 25498710), (380, 22948839), (405, 21532244), (449, 19422180), (513, 16999140), (540, 16149183), (570, 15299226), (631, 13820220), (684, 12749355), (810, 10766122), (855, 10199484), (898, 9711090), (1026, 8499570), (1140, 7649613), (1262, 6910110), (1347, 6474060), (1539, 5666380), (1620, 5383061), (1710, 5099742), (1796, 4855545), (1893, 4606740), (2052, 4249785), (2245, 3884436), (2524, 3455055), (2565, 3399828), (2694, 3237030), (3078, 2833190), (3155, 2764044), (3420, 2549871), (3786, 2303370), (4041, 2158020), (4490, 1942218), (5130, 1699914), (5388, 1618515), (5679, 1535580), (6156, 1416595), (6310, 1382022), (6735, 1294812), (7572, 1151685), (7695, 1133276), (8082, 1079010), (8531, 1022220), (8980, 971109), (9465, 921348), (10260, 849957), (11358, 767790), (11989, 727380), (12123, 719340), (12620, 691011), (13470, 647406), (15390, 566638), (16164, 539505), (17037, 511860), (17062, 511110), (18930, 460674), (20205, 431604), (22716, 383895), (23978, 363690), (24246, 359670), (25593, 340740), (26940, 323703), (28395, 307116), (30780, 283319), (34074, 255930), (34124, 255555), (35967, 242460), (36369, 239780), (37860, 230337), (40410, 215802), (42655, 204444), (47956, 181845), (48492, 179835), (51111, 170620), (51186, 170370), (56790, 153558), (59945, 145476), (60615, 143868), (68148, 127965), (71934, 121230), (72738, 119890), (76779, 113580), (80820, 107901), (85185, 102372), (85310, 102222)]