154457840

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{307}}^1\times {\mathrm{331}}^1$

素因数の和:670

約数の個数: 80

約数和(自身を含む): 380392320

約数和(自身を除く): 225934480

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 307, 331, 380, 614, 662, 760, 1228, 1324, 1520, 1535, 1655, 2456, 2648, 3070, 3310, 4912, 5296, 5833, 6140, 6289, 6620, 11666, 12280, 12578, 13240, 23332, 24560, 25156, 26480, 29165, 31445, 46664, 50312, 58330, 62890, 93328, 100624, 101617, 116660, 125780, 203234, 233320, 251560, 406468, 466640, 503120, 508085, 812936, 1016170, 1625872, 1930723, 2032340, 3861446, 4064680, 7722892, 8129360, 9653615, 15445784, 19307230, 30891568, 38614460, 77228920, 154457840]

約数ペア:

[(1, 154457840), (2, 77228920), (4, 38614460), (5, 30891568), (8, 19307230), (10, 15445784), (16, 9653615), (19, 8129360), (20, 7722892), (38, 4064680), (40, 3861446), (76, 2032340), (80, 1930723), (95, 1625872), (152, 1016170), (190, 812936), (304, 508085), (307, 503120), (331, 466640), (380, 406468), (614, 251560), (662, 233320), (760, 203234), (1228, 125780), (1324, 116660), (1520, 101617), (1535, 100624), (1655, 93328), (2456, 62890), (2648, 58330), (3070, 50312), (3310, 46664), (4912, 31445), (5296, 29165), (5833, 26480), (6140, 25156), (6289, 24560), (6620, 23332), (11666, 13240), (12280, 12578)]