667788560

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{263}}^1\times {\mathrm{1867}}^1$

素因数の和:2160

約数の個数: 80

約数和(自身を含む): 1651072896

約数和(自身を除く): 983284336

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 263, 272, 340, 526, 680, 1052, 1315, 1360, 1867, 2104, 2630, 3734, 4208, 4471, 5260, 7468, 8942, 9335, 10520, 14936, 17884, 18670, 21040, 22355, 29872, 31739, 35768, 37340, 44710, 63478, 71536, 74680, 89420, 126956, 149360, 158695, 178840, 253912, 317390, 357680, 491021, 507824, 634780, 982042, 1269560, 1964084, 2455105, 2539120, 3928168, 4910210, 7856336, 8347357, 9820420, 16694714, 19640840, 33389428, 39281680, 41736785, 66778856, 83473570, 133557712, 166947140, 333894280, 667788560]

約数ペア:

[(1, 667788560), (2, 333894280), (4, 166947140), (5, 133557712), (8, 83473570), (10, 66778856), (16, 41736785), (17, 39281680), (20, 33389428), (34, 19640840), (40, 16694714), (68, 9820420), (80, 8347357), (85, 7856336), (136, 4910210), (170, 3928168), (263, 2539120), (272, 2455105), (340, 1964084), (526, 1269560), (680, 982042), (1052, 634780), (1315, 507824), (1360, 491021), (1867, 357680), (2104, 317390), (2630, 253912), (3734, 178840), (4208, 158695), (4471, 149360), (5260, 126956), (7468, 89420), (8942, 74680), (9335, 71536), (10520, 63478), (14936, 44710), (17884, 37340), (18670, 35768), (21040, 31739), (22355, 29872)]