809968480

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{379}}^1$

素因数の和:469

約数の個数: 144

約数和(自身を含む): 2079619920

約数和(自身を除く): 1269651440

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 37, 38, 40, 74, 76, 80, 95, 148, 152, 160, 185, 190, 296, 304, 361, 370, 379, 380, 592, 608, 703, 722, 740, 758, 760, 1184, 1406, 1444, 1480, 1516, 1520, 1805, 1895, 2812, 2888, 2960, 3032, 3040, 3515, 3610, 3790, 5624, 5776, 5920, 6064, 7030, 7201, 7220, 7580, 11248, 11552, 12128, 13357, 14023, 14060, 14402, 14440, 15160, 22496, 26714, 28046, 28120, 28804, 28880, 30320, 36005, 53428, 56092, 56240, 57608, 57760, 60640, 66785, 70115, 72010, 106856, 112184, 112480, 115216, 133570, 136819, 140230, 144020, 213712, 224368, 230432, 266437, 267140, 273638, 280460, 288040, 427424, 448736, 532874, 534280, 547276, 560920, 576080, 684095, 1065748, 1068560, 1094552, 1121840, 1152160, 1332185, 1368190, 2131496, 2137120, 2189104, 2243680, 2664370, 2736380, 4262992, 4378208, 5062303, 5328740, 5472760, 8525984, 10124606, 10657480, 10945520, 20249212, 21314960, 21891040, 25311515, 40498424, 42629920, 50623030, 80996848, 101246060, 161993696, 202492120, 404984240, 809968480]

約数ペア:

[(1, 809968480), (2, 404984240), (4, 202492120), (5, 161993696), (8, 101246060), (10, 80996848), (16, 50623030), (19, 42629920), (20, 40498424), (32, 25311515), (37, 21891040), (38, 21314960), (40, 20249212), (74, 10945520), (76, 10657480), (80, 10124606), (95, 8525984), (148, 5472760), (152, 5328740), (160, 5062303), (185, 4378208), (190, 4262992), (296, 2736380), (304, 2664370), (361, 2243680), (370, 2189104), (379, 2137120), (380, 2131496), (592, 1368190), (608, 1332185), (703, 1152160), (722, 1121840), (740, 1094552), (758, 1068560), (760, 1065748), (1184, 684095), (1406, 576080), (1444, 560920), (1480, 547276), (1516, 534280), (1520, 532874), (1805, 448736), (1895, 427424), (2812, 288040), (2888, 280460), (2960, 273638), (3032, 267140), (3040, 266437), (3515, 230432), (3610, 224368), (3790, 213712), (5624, 144020), (5776, 140230), (5920, 136819), (6064, 133570), (7030, 115216), (7201, 112480), (7220, 112184), (7580, 106856), (11248, 72010), (11552, 70115), (12128, 66785), (13357, 60640), (14023, 57760), (14060, 57608), (14402, 56240), (14440, 56092), (15160, 53428), (22496, 36005), (26714, 30320), (28046, 28880), (28120, 28804)]