28773240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{347}}^1\times {\mathrm{691}}^1$

素因数の和:1052

約数の個数: 64

約数和(自身を含む): 86693760

約数和(自身を除く): 57920520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 347, 691, 694, 1041, 1382, 1388, 1735, 2073, 2082, 2764, 2776, 3455, 3470, 4146, 4164, 5205, 5528, 6910, 6940, 8292, 8328, 10365, 10410, 13820, 13880, 16584, 20730, 20820, 27640, 41460, 41640, 82920, 239777, 479554, 719331, 959108, 1198885, 1438662, 1918216, 2397770, 2877324, 3596655, 4795540, 5754648, 7193310, 9591080, 14386620, 28773240]

約数ペア:

[(1, 28773240), (2, 14386620), (3, 9591080), (4, 7193310), (5, 5754648), (6, 4795540), (8, 3596655), (10, 2877324), (12, 2397770), (15, 1918216), (20, 1438662), (24, 1198885), (30, 959108), (40, 719331), (60, 479554), (120, 239777), (347, 82920), (691, 41640), (694, 41460), (1041, 27640), (1382, 20820), (1388, 20730), (1735, 16584), (2073, 13880), (2082, 13820), (2764, 10410), (2776, 10365), (3455, 8328), (3470, 8292), (4146, 6940), (4164, 6910), (5205, 5528)]