25581420

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{15791}}^1$

素因数の和:15812

約数の個数: 60

約数和(自身を含む): 80254944

約数和(自身を除く): 54673524

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 15791, 31582, 47373, 63164, 78955, 94746, 142119, 157910, 189492, 236865, 284238, 315820, 426357, 473730, 568476, 710595, 852714, 947460, 1279071, 1421190, 1705428, 2131785, 2558142, 2842380, 4263570, 5116284, 6395355, 8527140, 12790710, 25581420]

約数ペア:

[(1, 25581420), (2, 12790710), (3, 8527140), (4, 6395355), (5, 5116284), (6, 4263570), (9, 2842380), (10, 2558142), (12, 2131785), (15, 1705428), (18, 1421190), (20, 1279071), (27, 947460), (30, 852714), (36, 710595), (45, 568476), (54, 473730), (60, 426357), (81, 315820), (90, 284238), (108, 236865), (135, 189492), (162, 157910), (180, 142119), (270, 94746), (324, 78955), (405, 63164), (540, 47373), (810, 31582), (1620, 15791)]