90809820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{613}}^1\times {\mathrm{823}}^1$

素因数の和:1451

約数の個数: 72

約数和(自身を含む): 276241056

約数和(自身を除く): 185431236

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 613, 823, 1226, 1646, 1839, 2452, 2469, 3065, 3292, 3678, 4115, 4938, 5517, 6130, 7356, 7407, 8230, 9195, 9876, 11034, 12260, 12345, 14814, 16460, 18390, 22068, 24690, 27585, 29628, 36780, 37035, 49380, 55170, 74070, 110340, 148140, 504499, 1008998, 1513497, 2017996, 2522495, 3026994, 4540491, 5044990, 6053988, 7567485, 9080982, 10089980, 15134970, 18161964, 22702455, 30269940, 45404910, 90809820]

約数ペア:

[(1, 90809820), (2, 45404910), (3, 30269940), (4, 22702455), (5, 18161964), (6, 15134970), (9, 10089980), (10, 9080982), (12, 7567485), (15, 6053988), (18, 5044990), (20, 4540491), (30, 3026994), (36, 2522495), (45, 2017996), (60, 1513497), (90, 1008998), (180, 504499), (613, 148140), (823, 110340), (1226, 74070), (1646, 55170), (1839, 49380), (2452, 37035), (2469, 36780), (3065, 29628), (3292, 27585), (3678, 24690), (4115, 22068), (4938, 18390), (5517, 16460), (6130, 14814), (7356, 12345), (7407, 12260), (8230, 11034), (9195, 9876)]