80872416

素因数分解:

$2^5\times 3^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{421}}^1$

素因数の和:489

約数の個数: 144

約数和(自身を含む): 248844960

約数和(自身を除く): 167972544

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 29, 32, 36, 46, 48, 58, 69, 72, 87, 92, 96, 116, 138, 144, 174, 184, 207, 232, 261, 276, 288, 348, 368, 414, 421, 464, 522, 552, 667, 696, 736, 828, 842, 928, 1044, 1104, 1263, 1334, 1392, 1656, 1684, 2001, 2088, 2208, 2526, 2668, 2784, 3312, 3368, 3789, 4002, 4176, 5052, 5336, 6003, 6624, 6736, 7578, 8004, 8352, 9683, 10104, 10672, 12006, 12209, 13472, 15156, 16008, 19366, 20208, 21344, 24012, 24418, 29049, 30312, 32016, 36627, 38732, 40416, 48024, 48836, 58098, 60624, 64032, 73254, 77464, 87147, 96048, 97672, 109881, 116196, 121248, 146508, 154928, 174294, 192096, 195344, 219762, 232392, 280807, 293016, 309856, 348588, 390688, 439524, 464784, 561614, 586032, 697176, 842421, 879048, 929568, 1123228, 1172064, 1394352, 1684842, 1758096, 2246456, 2527263, 2788704, 3369684, 3516192, 4492912, 5054526, 6739368, 8985824, 10109052, 13478736, 20218104, 26957472, 40436208, 80872416]

約数ペア:

[(1, 80872416), (2, 40436208), (3, 26957472), (4, 20218104), (6, 13478736), (8, 10109052), (9, 8985824), (12, 6739368), (16, 5054526), (18, 4492912), (23, 3516192), (24, 3369684), (29, 2788704), (32, 2527263), (36, 2246456), (46, 1758096), (48, 1684842), (58, 1394352), (69, 1172064), (72, 1123228), (87, 929568), (92, 879048), (96, 842421), (116, 697176), (138, 586032), (144, 561614), (174, 464784), (184, 439524), (207, 390688), (232, 348588), (261, 309856), (276, 293016), (288, 280807), (348, 232392), (368, 219762), (414, 195344), (421, 192096), (464, 174294), (522, 154928), (552, 146508), (667, 121248), (696, 116196), (736, 109881), (828, 97672), (842, 96048), (928, 87147), (1044, 77464), (1104, 73254), (1263, 64032), (1334, 60624), (1392, 58098), (1656, 48836), (1684, 48024), (2001, 40416), (2088, 38732), (2208, 36627), (2526, 32016), (2668, 30312), (2784, 29049), (3312, 24418), (3368, 24012), (3789, 21344), (4002, 20208), (4176, 19366), (5052, 16008), (5336, 15156), (6003, 13472), (6624, 12209), (6736, 12006), (7578, 10672), (8004, 10104), (8352, 9683)]