28723260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{487}}^1\times {\mathrm{983}}^1$

素因数の和:1482

約数の個数: 48

約数和(自身を含む): 80672256

約数和(自身を除く): 51948996

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 487, 974, 983, 1461, 1948, 1966, 2435, 2922, 2949, 3932, 4870, 4915, 5844, 5898, 7305, 9740, 9830, 11796, 14610, 14745, 19660, 29220, 29490, 58980, 478721, 957442, 1436163, 1914884, 2393605, 2872326, 4787210, 5744652, 7180815, 9574420, 14361630, 28723260]

約数ペア:

[(1, 28723260), (2, 14361630), (3, 9574420), (4, 7180815), (5, 5744652), (6, 4787210), (10, 2872326), (12, 2393605), (15, 1914884), (20, 1436163), (30, 957442), (60, 478721), (487, 58980), (974, 29490), (983, 29220), (1461, 19660), (1948, 14745), (1966, 14610), (2435, 11796), (2922, 9830), (2949, 9740), (3932, 7305), (4870, 5898), (4915, 5844)]