1556555840

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{409}}^1\times {\mathrm{1699}}^1$

素因数の和:2132

約数の個数: 112

約数和(自身を含む): 4248912000

約数和(自身を除く): 2692356160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 409, 448, 560, 818, 1120, 1636, 1699, 2045, 2240, 2863, 3272, 3398, 4090, 5726, 6544, 6796, 8180, 8495, 11452, 11893, 13088, 13592, 14315, 16360, 16990, 22904, 23786, 26176, 27184, 28630, 32720, 33980, 45808, 47572, 54368, 57260, 59465, 65440, 67960, 91616, 95144, 108736, 114520, 118930, 130880, 135920, 183232, 190288, 229040, 237860, 271840, 380576, 458080, 475720, 543680, 694891, 761152, 916160, 951440, 1389782, 1902880, 2779564, 3474455, 3805760, 4864237, 5559128, 6948910, 9728474, 11118256, 13897820, 19456948, 22236512, 24321185, 27795640, 38913896, 44473024, 48642370, 55591280, 77827792, 97284740, 111182560, 155655584, 194569480, 222365120, 311311168, 389138960, 778277920, 1556555840]

約数ペア:

[(1, 1556555840), (2, 778277920), (4, 389138960), (5, 311311168), (7, 222365120), (8, 194569480), (10, 155655584), (14, 111182560), (16, 97284740), (20, 77827792), (28, 55591280), (32, 48642370), (35, 44473024), (40, 38913896), (56, 27795640), (64, 24321185), (70, 22236512), (80, 19456948), (112, 13897820), (140, 11118256), (160, 9728474), (224, 6948910), (280, 5559128), (320, 4864237), (409, 3805760), (448, 3474455), (560, 2779564), (818, 1902880), (1120, 1389782), (1636, 951440), (1699, 916160), (2045, 761152), (2240, 694891), (2863, 543680), (3272, 475720), (3398, 458080), (4090, 380576), (5726, 271840), (6544, 237860), (6796, 229040), (8180, 190288), (8495, 183232), (11452, 135920), (11893, 130880), (13088, 118930), (13592, 114520), (14315, 108736), (16360, 95144), (16990, 91616), (22904, 67960), (23786, 65440), (26176, 59465), (27184, 57260), (28630, 54368), (32720, 47572), (33980, 45808)]