8455440

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{719}}^1$

素因数の和:749

約数の個数: 120

約数和(自身を含む): 30533760

約数和(自身を除く): 22078320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 98, 105, 112, 120, 140, 147, 168, 196, 210, 240, 245, 280, 294, 336, 392, 420, 490, 560, 588, 719, 735, 784, 840, 980, 1176, 1438, 1470, 1680, 1960, 2157, 2352, 2876, 2940, 3595, 3920, 4314, 5033, 5752, 5880, 7190, 8628, 10066, 10785, 11504, 11760, 14380, 15099, 17256, 20132, 21570, 25165, 28760, 30198, 34512, 35231, 40264, 43140, 50330, 57520, 60396, 70462, 75495, 80528, 86280, 100660, 105693, 120792, 140924, 150990, 172560, 176155, 201320, 211386, 241584, 281848, 301980, 352310, 402640, 422772, 528465, 563696, 603960, 704620, 845544, 1056930, 1207920, 1409240, 1691088, 2113860, 2818480, 4227720, 8455440]

約数ペア:

[(1, 8455440), (2, 4227720), (3, 2818480), (4, 2113860), (5, 1691088), (6, 1409240), (7, 1207920), (8, 1056930), (10, 845544), (12, 704620), (14, 603960), (15, 563696), (16, 528465), (20, 422772), (21, 402640), (24, 352310), (28, 301980), (30, 281848), (35, 241584), (40, 211386), (42, 201320), (48, 176155), (49, 172560), (56, 150990), (60, 140924), (70, 120792), (80, 105693), (84, 100660), (98, 86280), (105, 80528), (112, 75495), (120, 70462), (140, 60396), (147, 57520), (168, 50330), (196, 43140), (210, 40264), (240, 35231), (245, 34512), (280, 30198), (294, 28760), (336, 25165), (392, 21570), (420, 20132), (490, 17256), (560, 15099), (588, 14380), (719, 11760), (735, 11504), (784, 10785), (840, 10066), (980, 8628), (1176, 7190), (1438, 5880), (1470, 5752), (1680, 5033), (1960, 4314), (2157, 3920), (2352, 3595), (2876, 2940)]