78871840

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{271}}^1$

素因数の和:410

約数の個数: 96

約数和(自身を含む): 199874304

約数和(自身を除く): 121002464

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 107, 136, 160, 170, 214, 271, 272, 340, 428, 535, 542, 544, 680, 856, 1070, 1084, 1355, 1360, 1712, 1819, 2140, 2168, 2710, 2720, 3424, 3638, 4280, 4336, 4607, 5420, 7276, 8560, 8672, 9095, 9214, 10840, 14552, 17120, 18190, 18428, 21680, 23035, 28997, 29104, 36380, 36856, 43360, 46070, 57994, 58208, 72760, 73712, 92140, 115988, 144985, 145520, 147424, 184280, 231976, 289970, 291040, 368560, 463952, 492949, 579940, 737120, 927904, 985898, 1159880, 1971796, 2319760, 2464745, 3943592, 4639520, 4929490, 7887184, 9858980, 15774368, 19717960, 39435920, 78871840]

約数ペア:

[(1, 78871840), (2, 39435920), (4, 19717960), (5, 15774368), (8, 9858980), (10, 7887184), (16, 4929490), (17, 4639520), (20, 3943592), (32, 2464745), (34, 2319760), (40, 1971796), (68, 1159880), (80, 985898), (85, 927904), (107, 737120), (136, 579940), (160, 492949), (170, 463952), (214, 368560), (271, 291040), (272, 289970), (340, 231976), (428, 184280), (535, 147424), (542, 145520), (544, 144985), (680, 115988), (856, 92140), (1070, 73712), (1084, 72760), (1355, 58208), (1360, 57994), (1712, 46070), (1819, 43360), (2140, 36856), (2168, 36380), (2710, 29104), (2720, 28997), (3424, 23035), (3638, 21680), (4280, 18428), (4336, 18190), (4607, 17120), (5420, 14552), (7276, 10840), (8560, 9214), (8672, 9095)]