81447984

素因数分解:

$2^4\times 3^3\times {\mathrm{19}}^1\times {\mathrm{9923}}^1$

素因数の和:9959

約数の個数: 80

約数和(自身を含む): 246115200

約数和(自身を除く): 164667216

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 27, 36, 38, 48, 54, 57, 72, 76, 108, 114, 144, 152, 171, 216, 228, 304, 342, 432, 456, 513, 684, 912, 1026, 1368, 2052, 2736, 4104, 8208, 9923, 19846, 29769, 39692, 59538, 79384, 89307, 119076, 158768, 178614, 188537, 238152, 267921, 357228, 377074, 476304, 535842, 565611, 714456, 754148, 1071684, 1131222, 1428912, 1508296, 1696833, 2143368, 2262444, 3016592, 3393666, 4286736, 4524888, 5090499, 6787332, 9049776, 10180998, 13574664, 20361996, 27149328, 40723992, 81447984]

約数ペア:

[(1, 81447984), (2, 40723992), (3, 27149328), (4, 20361996), (6, 13574664), (8, 10180998), (9, 9049776), (12, 6787332), (16, 5090499), (18, 4524888), (19, 4286736), (24, 3393666), (27, 3016592), (36, 2262444), (38, 2143368), (48, 1696833), (54, 1508296), (57, 1428912), (72, 1131222), (76, 1071684), (108, 754148), (114, 714456), (144, 565611), (152, 535842), (171, 476304), (216, 377074), (228, 357228), (304, 267921), (342, 238152), (432, 188537), (456, 178614), (513, 158768), (684, 119076), (912, 89307), (1026, 79384), (1368, 59538), (2052, 39692), (2736, 29769), (4104, 19846), (8208, 9923)]