28756560

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{17117}}^1$

素因数の和:17140

約数の個数: 80

約数和(自身を含む): 101886336

約数和(自身を除く): 73129776

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, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 17117, 34234, 51351, 68468, 85585, 102702, 119819, 136936, 171170, 205404, 239638, 256755, 273872, 342340, 359457, 410808, 479276, 513510, 599095, 684680, 718914, 821616, 958552, 1027020, 1198190, 1369360, 1437828, 1797285, 1917104, 2054040, 2396380, 2875656, 3594570, 4108080, 4792760, 5751312, 7189140, 9585520, 14378280, 28756560]

約数ペア:

[(1, 28756560), (2, 14378280), (3, 9585520), (4, 7189140), (5, 5751312), (6, 4792760), (7, 4108080), (8, 3594570), (10, 2875656), (12, 2396380), (14, 2054040), (15, 1917104), (16, 1797285), (20, 1437828), (21, 1369360), (24, 1198190), (28, 1027020), (30, 958552), (35, 821616), (40, 718914), (42, 684680), (48, 599095), (56, 513510), (60, 479276), (70, 410808), (80, 359457), (84, 342340), (105, 273872), (112, 256755), (120, 239638), (140, 205404), (168, 171170), (210, 136936), (240, 119819), (280, 102702), (336, 85585), (420, 68468), (560, 51351), (840, 34234), (1680, 17117)]