78726320

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{541}}^1$

素因数の和:678

約数の個数: 80

約数和(自身を含む): 195978528

約数和(自身を除く): 117252208

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 107, 136, 170, 214, 272, 340, 428, 535, 541, 680, 856, 1070, 1082, 1360, 1712, 1819, 2140, 2164, 2705, 3638, 4280, 4328, 5410, 7276, 8560, 8656, 9095, 9197, 10820, 14552, 18190, 18394, 21640, 29104, 36380, 36788, 43280, 45985, 57887, 72760, 73576, 91970, 115774, 145520, 147152, 183940, 231548, 289435, 367880, 463096, 578870, 735760, 926192, 984079, 1157740, 1968158, 2315480, 3936316, 4630960, 4920395, 7872632, 9840790, 15745264, 19681580, 39363160, 78726320]

約数ペア:

[(1, 78726320), (2, 39363160), (4, 19681580), (5, 15745264), (8, 9840790), (10, 7872632), (16, 4920395), (17, 4630960), (20, 3936316), (34, 2315480), (40, 1968158), (68, 1157740), (80, 984079), (85, 926192), (107, 735760), (136, 578870), (170, 463096), (214, 367880), (272, 289435), (340, 231548), (428, 183940), (535, 147152), (541, 145520), (680, 115774), (856, 91970), (1070, 73576), (1082, 72760), (1360, 57887), (1712, 45985), (1819, 43280), (2140, 36788), (2164, 36380), (2705, 29104), (3638, 21640), (4280, 18394), (4328, 18190), (5410, 14552), (7276, 10820), (8560, 9197), (8656, 9095)]