65911760

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{421}}^1$

素因数の和:556

約数の個数: 80

約数和(自身を含む): 163263360

約数和(自身を除く): 97351600

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 103, 152, 190, 206, 304, 380, 412, 421, 515, 760, 824, 842, 1030, 1520, 1648, 1684, 1957, 2060, 2105, 3368, 3914, 4120, 4210, 6736, 7828, 7999, 8240, 8420, 9785, 15656, 15998, 16840, 19570, 31312, 31996, 33680, 39140, 39995, 43363, 63992, 78280, 79990, 86726, 127984, 156560, 159980, 173452, 216815, 319960, 346904, 433630, 639920, 693808, 823897, 867260, 1647794, 1734520, 3295588, 3469040, 4119485, 6591176, 8238970, 13182352, 16477940, 32955880, 65911760]

約数ペア:

[(1, 65911760), (2, 32955880), (4, 16477940), (5, 13182352), (8, 8238970), (10, 6591176), (16, 4119485), (19, 3469040), (20, 3295588), (38, 1734520), (40, 1647794), (76, 867260), (80, 823897), (95, 693808), (103, 639920), (152, 433630), (190, 346904), (206, 319960), (304, 216815), (380, 173452), (412, 159980), (421, 156560), (515, 127984), (760, 86726), (824, 79990), (842, 78280), (1030, 63992), (1520, 43363), (1648, 39995), (1684, 39140), (1957, 33680), (2060, 31996), (2105, 31312), (3368, 19570), (3914, 16840), (4120, 15998), (4210, 15656), (6736, 9785), (7828, 8420), (7999, 8240)]