80872740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1$

素因数の和:171

約数の個数: 288

約数和(自身を含む): 297198720

約数和(自身を除く): 216325980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 17, 18, 19, 20, 26, 30, 34, 36, 38, 39, 45, 51, 52, 57, 60, 65, 68, 76, 78, 85, 90, 95, 102, 107, 114, 117, 130, 153, 156, 170, 171, 180, 190, 195, 204, 214, 221, 228, 234, 247, 255, 260, 285, 306, 321, 323, 340, 342, 380, 390, 428, 442, 468, 494, 510, 535, 570, 585, 612, 642, 646, 663, 684, 741, 765, 780, 855, 884, 963, 969, 988, 1020, 1070, 1105, 1140, 1170, 1235, 1284, 1292, 1326, 1391, 1482, 1530, 1605, 1615, 1710, 1819, 1926, 1938, 1989, 2033, 2140, 2210, 2223, 2340, 2470, 2652, 2782, 2907, 2964, 3060, 3210, 3230, 3315, 3420, 3638, 3705, 3852, 3876, 3978, 4066, 4173, 4199, 4420, 4446, 4815, 4845, 4940, 5457, 5564, 5814, 6099, 6420, 6460, 6630, 6955, 7276, 7410, 7956, 8132, 8346, 8398, 8892, 9095, 9630, 9690, 9945, 10165, 10914, 11115, 11628, 12198, 12519, 12597, 13260, 13910, 14535, 14820, 16371, 16692, 16796, 18190, 18297, 19260, 19380, 19890, 20330, 20865, 20995, 21828, 22230, 23647, 24396, 25038, 25194, 26429, 27285, 27820, 29070, 30495, 32742, 34561, 36380, 36594, 37791, 39780, 40660, 41730, 41990, 44460, 47294, 50076, 50388, 52858, 54570, 58140, 60990, 62595, 62985, 65484, 69122, 70941, 73188, 75582, 79287, 81855, 83460, 83980, 91485, 94588, 103683, 105716, 109140, 118235, 121980, 125190, 125970, 132145, 138244, 141882, 151164, 158574, 163710, 172805, 182970, 188955, 207366, 212823, 236470, 237861, 250380, 251940, 264290, 283764, 311049, 317148, 327420, 345610, 354705, 365940, 377910, 396435, 414732, 425646, 449293, 472940, 475722, 518415, 528580, 622098, 691220, 709410, 755820, 792870, 851292, 898586, 951444, 1036830, 1064115, 1189305, 1244196, 1347879, 1418820, 1555245, 1585740, 1797172, 2073660, 2128230, 2246465, 2378610, 2695758, 3110490, 4043637, 4256460, 4492930, 4757220, 5391516, 6220980, 6739395, 8087274, 8985860, 13478790, 16174548, 20218185, 26957580, 40436370, 80872740]

約数ペア:

[(1, 80872740), (2, 40436370), (3, 26957580), (4, 20218185), (5, 16174548), (6, 13478790), (9, 8985860), (10, 8087274), (12, 6739395), (13, 6220980), (15, 5391516), (17, 4757220), (18, 4492930), (19, 4256460), (20, 4043637), (26, 3110490), (30, 2695758), (34, 2378610), (36, 2246465), (38, 2128230), (39, 2073660), (45, 1797172), (51, 1585740), (52, 1555245), (57, 1418820), (60, 1347879), (65, 1244196), (68, 1189305), (76, 1064115), (78, 1036830), (85, 951444), (90, 898586), (95, 851292), (102, 792870), (107, 755820), (114, 709410), (117, 691220), (130, 622098), (153, 528580), (156, 518415), (170, 475722), (171, 472940), (180, 449293), (190, 425646), (195, 414732), (204, 396435), (214, 377910), (221, 365940), (228, 354705), (234, 345610), (247, 327420), (255, 317148), (260, 311049), (285, 283764), (306, 264290), (321, 251940), (323, 250380), (340, 237861), (342, 236470), (380, 212823), (390, 207366), (428, 188955), (442, 182970), (468, 172805), (494, 163710), (510, 158574), (535, 151164), (570, 141882), (585, 138244), (612, 132145), (642, 125970), (646, 125190), (663, 121980), (684, 118235), (741, 109140), (765, 105716), (780, 103683), (855, 94588), (884, 91485), (963, 83980), (969, 83460), (988, 81855), (1020, 79287), (1070, 75582), (1105, 73188), (1140, 70941), (1170, 69122), (1235, 65484), (1284, 62985), (1292, 62595), (1326, 60990), (1391, 58140), (1482, 54570), (1530, 52858), (1605, 50388), (1615, 50076), (1710, 47294), (1819, 44460), (1926, 41990), (1938, 41730), (1989, 40660), (2033, 39780), (2140, 37791), (2210, 36594), (2223, 36380), (2340, 34561), (2470, 32742), (2652, 30495), (2782, 29070), (2907, 27820), (2964, 27285), (3060, 26429), (3210, 25194), (3230, 25038), (3315, 24396), (3420, 23647), (3638, 22230), (3705, 21828), (3852, 20995), (3876, 20865), (3978, 20330), (4066, 19890), (4173, 19380), (4199, 19260), (4420, 18297), (4446, 18190), (4815, 16796), (4845, 16692), (4940, 16371), (5457, 14820), (5564, 14535), (5814, 13910), (6099, 13260), (6420, 12597), (6460, 12519), (6630, 12198), (6955, 11628), (7276, 11115), (7410, 10914), (7956, 10165), (8132, 9945), (8346, 9690), (8398, 9630), (8892, 9095)]