28214520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{191}}^1\times {\mathrm{1231}}^1$

素因数の和:1436

約数の個数: 64

約数和(自身を含む): 85155840

約数和(自身を除く): 56941320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 191, 382, 573, 764, 955, 1146, 1231, 1528, 1910, 2292, 2462, 2865, 3693, 3820, 4584, 4924, 5730, 6155, 7386, 7640, 9848, 11460, 12310, 14772, 18465, 22920, 24620, 29544, 36930, 49240, 73860, 147720, 235121, 470242, 705363, 940484, 1175605, 1410726, 1880968, 2351210, 2821452, 3526815, 4702420, 5642904, 7053630, 9404840, 14107260, 28214520]

約数ペア:

[(1, 28214520), (2, 14107260), (3, 9404840), (4, 7053630), (5, 5642904), (6, 4702420), (8, 3526815), (10, 2821452), (12, 2351210), (15, 1880968), (20, 1410726), (24, 1175605), (30, 940484), (40, 705363), (60, 470242), (120, 235121), (191, 147720), (382, 73860), (573, 49240), (764, 36930), (955, 29544), (1146, 24620), (1231, 22920), (1528, 18465), (1910, 14772), (2292, 12310), (2462, 11460), (2865, 9848), (3693, 7640), (3820, 7386), (4584, 6155), (4924, 5730)]