28390620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{7757}}^1$

素因数の和:7830

約数の個数: 48

約数和(自身を含む): 80807328

約数和(自身を除く): 52416708

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 61, 122, 183, 244, 305, 366, 610, 732, 915, 1220, 1830, 3660, 7757, 15514, 23271, 31028, 38785, 46542, 77570, 93084, 116355, 155140, 232710, 465420, 473177, 946354, 1419531, 1892708, 2365885, 2839062, 4731770, 5678124, 7097655, 9463540, 14195310, 28390620]

約数ペア:

[(1, 28390620), (2, 14195310), (3, 9463540), (4, 7097655), (5, 5678124), (6, 4731770), (10, 2839062), (12, 2365885), (15, 1892708), (20, 1419531), (30, 946354), (60, 473177), (61, 465420), (122, 232710), (183, 155140), (244, 116355), (305, 93084), (366, 77570), (610, 46542), (732, 38785), (915, 31028), (1220, 23271), (1830, 15514), (3660, 7757)]