266985240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{28163}}^1$

素因数の和:28256

約数の個数: 64

約数和(自身を含む): 811123200

約数和(自身を除く): 544137960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 79, 120, 158, 237, 316, 395, 474, 632, 790, 948, 1185, 1580, 1896, 2370, 3160, 4740, 9480, 28163, 56326, 84489, 112652, 140815, 168978, 225304, 281630, 337956, 422445, 563260, 675912, 844890, 1126520, 1689780, 2224877, 3379560, 4449754, 6674631, 8899508, 11124385, 13349262, 17799016, 22248770, 26698524, 33373155, 44497540, 53397048, 66746310, 88995080, 133492620, 266985240]

約数ペア:

[(1, 266985240), (2, 133492620), (3, 88995080), (4, 66746310), (5, 53397048), (6, 44497540), (8, 33373155), (10, 26698524), (12, 22248770), (15, 17799016), (20, 13349262), (24, 11124385), (30, 8899508), (40, 6674631), (60, 4449754), (79, 3379560), (120, 2224877), (158, 1689780), (237, 1126520), (316, 844890), (395, 675912), (474, 563260), (632, 422445), (790, 337956), (948, 281630), (1185, 225304), (1580, 168978), (1896, 140815), (2370, 112652), (3160, 84489), (4740, 56326), (9480, 28163)]