61129840

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{307}}^1$

素因数の和:470

約数の個数: 80

約数和(自身を含む): 151240320

約数和(自身を除く): 90110480

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 131, 152, 190, 262, 304, 307, 380, 524, 614, 655, 760, 1048, 1228, 1310, 1520, 1535, 2096, 2456, 2489, 2620, 3070, 4912, 4978, 5240, 5833, 6140, 9956, 10480, 11666, 12280, 12445, 19912, 23332, 24560, 24890, 29165, 39824, 40217, 46664, 49780, 58330, 80434, 93328, 99560, 116660, 160868, 199120, 201085, 233320, 321736, 402170, 466640, 643472, 764123, 804340, 1528246, 1608680, 3056492, 3217360, 3820615, 6112984, 7641230, 12225968, 15282460, 30564920, 61129840]

約数ペア:

[(1, 61129840), (2, 30564920), (4, 15282460), (5, 12225968), (8, 7641230), (10, 6112984), (16, 3820615), (19, 3217360), (20, 3056492), (38, 1608680), (40, 1528246), (76, 804340), (80, 764123), (95, 643472), (131, 466640), (152, 402170), (190, 321736), (262, 233320), (304, 201085), (307, 199120), (380, 160868), (524, 116660), (614, 99560), (655, 93328), (760, 80434), (1048, 58330), (1228, 49780), (1310, 46664), (1520, 40217), (1535, 39824), (2096, 29165), (2456, 24890), (2489, 24560), (2620, 23332), (3070, 19912), (4912, 12445), (4978, 12280), (5240, 11666), (5833, 10480), (6140, 9956)]