13402920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1831}}^1$

素因数の和:1906

約数の個数: 64

約数和(自身を含む): 40890240

約数和(自身を除く): 27487320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 61, 120, 122, 183, 244, 305, 366, 488, 610, 732, 915, 1220, 1464, 1830, 1831, 2440, 3660, 3662, 5493, 7320, 7324, 9155, 10986, 14648, 18310, 21972, 27465, 36620, 43944, 54930, 73240, 109860, 111691, 219720, 223382, 335073, 446764, 558455, 670146, 893528, 1116910, 1340292, 1675365, 2233820, 2680584, 3350730, 4467640, 6701460, 13402920]

約数ペア:

[(1, 13402920), (2, 6701460), (3, 4467640), (4, 3350730), (5, 2680584), (6, 2233820), (8, 1675365), (10, 1340292), (12, 1116910), (15, 893528), (20, 670146), (24, 558455), (30, 446764), (40, 335073), (60, 223382), (61, 219720), (120, 111691), (122, 109860), (183, 73240), (244, 54930), (305, 43944), (366, 36620), (488, 27465), (610, 21972), (732, 18310), (915, 14648), (1220, 10986), (1464, 9155), (1830, 7324), (1831, 7320), (2440, 5493), (3660, 3662)]