253042740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{23827}}^1$

素因数の和:23901

約数の個数: 72

約数和(自身を含む): 780605280

約数和(自身を除く): 527562540

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, 23827, 47654, 71481, 95308, 119135, 142962, 214443, 238270, 285924, 357405, 428886, 476540, 714810, 857772, 1072215, 1405793, 1429620, 2144430, 2811586, 4217379, 4288860, 5623172, 7028965, 8434758, 12652137, 14057930, 16869516, 21086895, 25304274, 28115860, 42173790, 50608548, 63260685, 84347580, 126521370, 253042740]

約数ペア:

[(1, 253042740), (2, 126521370), (3, 84347580), (4, 63260685), (5, 50608548), (6, 42173790), (9, 28115860), (10, 25304274), (12, 21086895), (15, 16869516), (18, 14057930), (20, 12652137), (30, 8434758), (36, 7028965), (45, 5623172), (59, 4288860), (60, 4217379), (90, 2811586), (118, 2144430), (177, 1429620), (180, 1405793), (236, 1072215), (295, 857772), (354, 714810), (531, 476540), (590, 428886), (708, 357405), (885, 285924), (1062, 238270), (1180, 214443), (1770, 142962), (2124, 119135), (2655, 95308), (3540, 71481), (5310, 47654), (10620, 23827)]