1556360

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1$

素因数の和:138

約数の個数: 64

約数和(自身を含む): 3916080

約数和(自身を除く): 2359720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 41, 52, 65, 73, 82, 104, 130, 146, 164, 205, 260, 292, 328, 365, 410, 520, 533, 584, 730, 820, 949, 1066, 1460, 1640, 1898, 2132, 2665, 2920, 2993, 3796, 4264, 4745, 5330, 5986, 7592, 9490, 10660, 11972, 14965, 18980, 21320, 23944, 29930, 37960, 38909, 59860, 77818, 119720, 155636, 194545, 311272, 389090, 778180, 1556360]

約数ペア:

[(1, 1556360), (2, 778180), (4, 389090), (5, 311272), (8, 194545), (10, 155636), (13, 119720), (20, 77818), (26, 59860), (40, 38909), (41, 37960), (52, 29930), (65, 23944), (73, 21320), (82, 18980), (104, 14965), (130, 11972), (146, 10660), (164, 9490), (205, 7592), (260, 5986), (292, 5330), (328, 4745), (365, 4264), (410, 3796), (520, 2993), (533, 2920), (584, 2665), (730, 2132), (820, 1898), (949, 1640), (1066, 1460)]