16997920

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1$

素因数の和:218

約数の個数: 96

約数和(自身を含む): 43545600

約数和(自身を除く): 26547680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 31, 32, 40, 46, 62, 80, 92, 115, 124, 149, 155, 160, 184, 230, 248, 298, 310, 368, 460, 496, 596, 620, 713, 736, 745, 920, 992, 1192, 1240, 1426, 1490, 1840, 2384, 2480, 2852, 2980, 3427, 3565, 3680, 4619, 4768, 4960, 5704, 5960, 6854, 7130, 9238, 11408, 11920, 13708, 14260, 17135, 18476, 22816, 23095, 23840, 27416, 28520, 34270, 36952, 46190, 54832, 57040, 68540, 73904, 92380, 106237, 109664, 114080, 137080, 147808, 184760, 212474, 274160, 369520, 424948, 531185, 548320, 739040, 849896, 1062370, 1699792, 2124740, 3399584, 4249480, 8498960, 16997920]

約数ペア:

[(1, 16997920), (2, 8498960), (4, 4249480), (5, 3399584), (8, 2124740), (10, 1699792), (16, 1062370), (20, 849896), (23, 739040), (31, 548320), (32, 531185), (40, 424948), (46, 369520), (62, 274160), (80, 212474), (92, 184760), (115, 147808), (124, 137080), (149, 114080), (155, 109664), (160, 106237), (184, 92380), (230, 73904), (248, 68540), (298, 57040), (310, 54832), (368, 46190), (460, 36952), (496, 34270), (596, 28520), (620, 27416), (713, 23840), (736, 23095), (745, 22816), (920, 18476), (992, 17135), (1192, 14260), (1240, 13708), (1426, 11920), (1490, 11408), (1840, 9238), (2384, 7130), (2480, 6854), (2852, 5960), (2980, 5704), (3427, 4960), (3565, 4768), (3680, 4619)]