251663940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{127103}}^1$

素因数の和:127129

約数の個数: 72

約数和(自身を含む): 832785408

約数和(自身を除く): 581121468

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 127103, 254206, 381309, 508412, 635515, 762618, 1143927, 1271030, 1398133, 1525236, 1906545, 2287854, 2542060, 2796266, 3813090, 4194399, 4575708, 5592532, 5719635, 6990665, 7626180, 8388798, 11439270, 12583197, 13981330, 16777596, 20971995, 22878540, 25166394, 27962660, 41943990, 50332788, 62915985, 83887980, 125831970, 251663940]

約数ペア:

[(1, 251663940), (2, 125831970), (3, 83887980), (4, 62915985), (5, 50332788), (6, 41943990), (9, 27962660), (10, 25166394), (11, 22878540), (12, 20971995), (15, 16777596), (18, 13981330), (20, 12583197), (22, 11439270), (30, 8388798), (33, 7626180), (36, 6990665), (44, 5719635), (45, 5592532), (55, 4575708), (60, 4194399), (66, 3813090), (90, 2796266), (99, 2542060), (110, 2287854), (132, 1906545), (165, 1525236), (180, 1398133), (198, 1271030), (220, 1143927), (330, 762618), (396, 635515), (495, 508412), (660, 381309), (990, 254206), (1980, 127103)]