687681960

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{48157}}^1$

素因数の和:48195

約数の個数: 128

約数和(自身を含む): 2496510720

約数和(自身を除く): 1808828760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 17, 20, 21, 24, 28, 30, 34, 35, 40, 42, 51, 56, 60, 68, 70, 84, 85, 102, 105, 119, 120, 136, 140, 168, 170, 204, 210, 238, 255, 280, 340, 357, 408, 420, 476, 510, 595, 680, 714, 840, 952, 1020, 1190, 1428, 1785, 2040, 2380, 2856, 3570, 4760, 7140, 14280, 48157, 96314, 144471, 192628, 240785, 288942, 337099, 385256, 481570, 577884, 674198, 722355, 818669, 963140, 1011297, 1155768, 1348396, 1444710, 1637338, 1685495, 1926280, 2022594, 2456007, 2696792, 2889420, 3274676, 3370990, 4045188, 4093345, 4912014, 5056485, 5730683, 5778840, 6549352, 6741980, 8090376, 8186690, 9824028, 10112970, 11461366, 12280035, 13483960, 16373380, 17192049, 19648056, 20225940, 22922732, 24560070, 28653415, 32746760, 34384098, 40451880, 45845464, 49120140, 57306830, 68768196, 85960245, 98240280, 114613660, 137536392, 171920490, 229227320, 343840980, 687681960]

約数ペア:

[(1, 687681960), (2, 343840980), (3, 229227320), (4, 171920490), (5, 137536392), (6, 114613660), (7, 98240280), (8, 85960245), (10, 68768196), (12, 57306830), (14, 49120140), (15, 45845464), (17, 40451880), (20, 34384098), (21, 32746760), (24, 28653415), (28, 24560070), (30, 22922732), (34, 20225940), (35, 19648056), (40, 17192049), (42, 16373380), (51, 13483960), (56, 12280035), (60, 11461366), (68, 10112970), (70, 9824028), (84, 8186690), (85, 8090376), (102, 6741980), (105, 6549352), (119, 5778840), (120, 5730683), (136, 5056485), (140, 4912014), (168, 4093345), (170, 4045188), (204, 3370990), (210, 3274676), (238, 2889420), (255, 2696792), (280, 2456007), (340, 2022594), (357, 1926280), (408, 1685495), (420, 1637338), (476, 1444710), (510, 1348396), (595, 1155768), (680, 1011297), (714, 963140), (840, 818669), (952, 722355), (1020, 674198), (1190, 577884), (1428, 481570), (1785, 385256), (2040, 337099), (2380, 288942), (2856, 240785), (3570, 192628), (4760, 144471), (7140, 96314), (14280, 48157)]