77830760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{197}}^1$

素因数の和:315

約数の個数: 128

約数和(自身を含む): 215550720

約数和(自身を除く): 137719960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 83, 85, 119, 136, 140, 166, 170, 197, 238, 280, 332, 340, 394, 415, 476, 581, 595, 664, 680, 788, 830, 952, 985, 1162, 1190, 1379, 1411, 1576, 1660, 1970, 2324, 2380, 2758, 2822, 2905, 3320, 3349, 3940, 4648, 4760, 5516, 5644, 5810, 6698, 6895, 7055, 7880, 9877, 11032, 11288, 11620, 13396, 13790, 14110, 16351, 16745, 19754, 23240, 23443, 26792, 27580, 28220, 32702, 33490, 39508, 46886, 49385, 55160, 56440, 65404, 66980, 79016, 81755, 93772, 98770, 114457, 117215, 130808, 133960, 163510, 187544, 197540, 228914, 234430, 277967, 327020, 395080, 457828, 468860, 555934, 572285, 654040, 915656, 937720, 1111868, 1144570, 1389835, 1945769, 2223736, 2289140, 2779670, 3891538, 4578280, 5559340, 7783076, 9728845, 11118680, 15566152, 19457690, 38915380, 77830760]

約数ペア:

[(1, 77830760), (2, 38915380), (4, 19457690), (5, 15566152), (7, 11118680), (8, 9728845), (10, 7783076), (14, 5559340), (17, 4578280), (20, 3891538), (28, 2779670), (34, 2289140), (35, 2223736), (40, 1945769), (56, 1389835), (68, 1144570), (70, 1111868), (83, 937720), (85, 915656), (119, 654040), (136, 572285), (140, 555934), (166, 468860), (170, 457828), (197, 395080), (238, 327020), (280, 277967), (332, 234430), (340, 228914), (394, 197540), (415, 187544), (476, 163510), (581, 133960), (595, 130808), (664, 117215), (680, 114457), (788, 98770), (830, 93772), (952, 81755), (985, 79016), (1162, 66980), (1190, 65404), (1379, 56440), (1411, 55160), (1576, 49385), (1660, 46886), (1970, 39508), (2324, 33490), (2380, 32702), (2758, 28220), (2822, 27580), (2905, 26792), (3320, 23443), (3349, 23240), (3940, 19754), (4648, 16745), (4760, 16351), (5516, 14110), (5644, 13790), (5810, 13396), (6698, 11620), (6895, 11288), (7055, 11032), (7880, 9877)]