395617680

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{71}}^2\times {\mathrm{109}}^1$

素因数の和:270

約数の個数: 180

約数和(自身を含む): 1359955740

約数和(自身を除く): 964338060

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 71, 72, 80, 90, 109, 120, 142, 144, 180, 213, 218, 240, 284, 327, 355, 360, 426, 436, 545, 568, 639, 654, 710, 720, 852, 872, 981, 1065, 1090, 1136, 1278, 1308, 1420, 1635, 1704, 1744, 1962, 2130, 2180, 2556, 2616, 2840, 3195, 3270, 3408, 3924, 4260, 4360, 4905, 5041, 5112, 5232, 5680, 6390, 6540, 7739, 7848, 8520, 8720, 9810, 10082, 10224, 12780, 13080, 15123, 15478, 15696, 17040, 19620, 20164, 23217, 25205, 25560, 26160, 30246, 30956, 38695, 39240, 40328, 45369, 46434, 50410, 51120, 60492, 61912, 69651, 75615, 77390, 78480, 80656, 90738, 92868, 100820, 116085, 120984, 123824, 139302, 151230, 154780, 181476, 185736, 201640, 226845, 232170, 241968, 278604, 302460, 309560, 348255, 362952, 371472, 403280, 453690, 464340, 549469, 557208, 604920, 619120, 696510, 725904, 907380, 928680, 1098938, 1114416, 1209840, 1393020, 1648407, 1814760, 1857360, 2197876, 2747345, 2786040, 3296814, 3629520, 4395752, 4945221, 5494690, 5572080, 6593628, 8242035, 8791504, 9890442, 10989380, 13187256, 16484070, 19780884, 21978760, 24726105, 26374512, 32968140, 39561768, 43957520, 49452210, 65936280, 79123536, 98904420, 131872560, 197808840, 395617680]

約数ペア:

[(1, 395617680), (2, 197808840), (3, 131872560), (4, 98904420), (5, 79123536), (6, 65936280), (8, 49452210), (9, 43957520), (10, 39561768), (12, 32968140), (15, 26374512), (16, 24726105), (18, 21978760), (20, 19780884), (24, 16484070), (30, 13187256), (36, 10989380), (40, 9890442), (45, 8791504), (48, 8242035), (60, 6593628), (71, 5572080), (72, 5494690), (80, 4945221), (90, 4395752), (109, 3629520), (120, 3296814), (142, 2786040), (144, 2747345), (180, 2197876), (213, 1857360), (218, 1814760), (240, 1648407), (284, 1393020), (327, 1209840), (355, 1114416), (360, 1098938), (426, 928680), (436, 907380), (545, 725904), (568, 696510), (639, 619120), (654, 604920), (710, 557208), (720, 549469), (852, 464340), (872, 453690), (981, 403280), (1065, 371472), (1090, 362952), (1136, 348255), (1278, 309560), (1308, 302460), (1420, 278604), (1635, 241968), (1704, 232170), (1744, 226845), (1962, 201640), (2130, 185736), (2180, 181476), (2556, 154780), (2616, 151230), (2840, 139302), (3195, 123824), (3270, 120984), (3408, 116085), (3924, 100820), (4260, 92868), (4360, 90738), (4905, 80656), (5041, 78480), (5112, 77390), (5232, 75615), (5680, 69651), (6390, 61912), (6540, 60492), (7739, 51120), (7848, 50410), (8520, 46434), (8720, 45369), (9810, 40328), (10082, 39240), (10224, 38695), (12780, 30956), (13080, 30246), (15123, 26160), (15478, 25560), (15696, 25205), (17040, 23217), (19620, 20164)]