213154020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{20071}}^1$

素因数の和:20145

約数の個数: 72

約数和(自身を含む): 657558720

約数和(自身を除く): 444404700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 59, 60, 90, 118, 177, 180, 236, 295, 354, 531, 590, 708, 885, 1062, 1180, 1770, 2124, 2655, 3540, 5310, 10620, 20071, 40142, 60213, 80284, 100355, 120426, 180639, 200710, 240852, 301065, 361278, 401420, 602130, 722556, 903195, 1184189, 1204260, 1806390, 2368378, 3552567, 3612780, 4736756, 5920945, 7105134, 10657701, 11841890, 14210268, 17762835, 21315402, 23683780, 35525670, 42630804, 53288505, 71051340, 106577010, 213154020]

約数ペア:

[(1, 213154020), (2, 106577010), (3, 71051340), (4, 53288505), (5, 42630804), (6, 35525670), (9, 23683780), (10, 21315402), (12, 17762835), (15, 14210268), (18, 11841890), (20, 10657701), (30, 7105134), (36, 5920945), (45, 4736756), (59, 3612780), (60, 3552567), (90, 2368378), (118, 1806390), (177, 1204260), (180, 1184189), (236, 903195), (295, 722556), (354, 602130), (531, 401420), (590, 361278), (708, 301065), (885, 240852), (1062, 200710), (1180, 180639), (1770, 120426), (2124, 100355), (2655, 80284), (3540, 60213), (5310, 40142), (10620, 20071)]