25711740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{1721}}^1$

素因数の和:1819

約数の個数: 72

約数和(自身を含む): 78977808

約数和(自身を除く): 53266068

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 83, 90, 166, 180, 249, 332, 415, 498, 747, 830, 996, 1245, 1494, 1660, 1721, 2490, 2988, 3442, 3735, 4980, 5163, 6884, 7470, 8605, 10326, 14940, 15489, 17210, 20652, 25815, 30978, 34420, 51630, 61956, 77445, 103260, 142843, 154890, 285686, 309780, 428529, 571372, 714215, 857058, 1285587, 1428430, 1714116, 2142645, 2571174, 2856860, 4285290, 5142348, 6427935, 8570580, 12855870, 25711740]

約数ペア:

[(1, 25711740), (2, 12855870), (3, 8570580), (4, 6427935), (5, 5142348), (6, 4285290), (9, 2856860), (10, 2571174), (12, 2142645), (15, 1714116), (18, 1428430), (20, 1285587), (30, 857058), (36, 714215), (45, 571372), (60, 428529), (83, 309780), (90, 285686), (166, 154890), (180, 142843), (249, 103260), (332, 77445), (415, 61956), (498, 51630), (747, 34420), (830, 30978), (996, 25815), (1245, 20652), (1494, 17210), (1660, 15489), (1721, 14940), (2490, 10326), (2988, 8605), (3442, 7470), (3735, 6884), (4980, 5163)]