679270760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{563}}^1$

素因数の和:751

約数の個数: 128

約数和(自身を含む): 1819238400

約数和(自身を除く): 1139967640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 139, 140, 155, 217, 248, 278, 280, 310, 434, 556, 563, 620, 695, 868, 973, 1085, 1112, 1126, 1240, 1390, 1736, 1946, 2170, 2252, 2780, 2815, 3892, 3941, 4309, 4340, 4504, 4865, 5560, 5630, 7784, 7882, 8618, 8680, 9730, 11260, 15764, 17236, 17453, 19460, 19705, 21545, 22520, 30163, 31528, 34472, 34906, 38920, 39410, 43090, 60326, 69812, 78257, 78820, 86180, 87265, 120652, 122171, 139624, 150815, 156514, 157640, 172360, 174530, 241304, 244342, 301630, 313028, 349060, 391285, 488684, 547799, 603260, 610855, 626056, 698120, 782570, 977368, 1095598, 1206520, 1221710, 1565140, 2191196, 2425967, 2443420, 2738995, 3130280, 4382392, 4851934, 4886840, 5477990, 9703868, 10955980, 12129835, 16981769, 19407736, 21911960, 24259670, 33963538, 48519340, 67927076, 84908845, 97038680, 135854152, 169817690, 339635380, 679270760]

約数ペア:

[(1, 679270760), (2, 339635380), (4, 169817690), (5, 135854152), (7, 97038680), (8, 84908845), (10, 67927076), (14, 48519340), (20, 33963538), (28, 24259670), (31, 21911960), (35, 19407736), (40, 16981769), (56, 12129835), (62, 10955980), (70, 9703868), (124, 5477990), (139, 4886840), (140, 4851934), (155, 4382392), (217, 3130280), (248, 2738995), (278, 2443420), (280, 2425967), (310, 2191196), (434, 1565140), (556, 1221710), (563, 1206520), (620, 1095598), (695, 977368), (868, 782570), (973, 698120), (1085, 626056), (1112, 610855), (1126, 603260), (1240, 547799), (1390, 488684), (1736, 391285), (1946, 349060), (2170, 313028), (2252, 301630), (2780, 244342), (2815, 241304), (3892, 174530), (3941, 172360), (4309, 157640), (4340, 156514), (4504, 150815), (4865, 139624), (5560, 122171), (5630, 120652), (7784, 87265), (7882, 86180), (8618, 78820), (8680, 78257), (9730, 69812), (11260, 60326), (15764, 43090), (17236, 39410), (17453, 38920), (19460, 34906), (19705, 34472), (21545, 31528), (22520, 30163)]