90021780

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{18523}}^1$

素因数の和:18547

約数の個数: 72

約数和(自身を含む): 283194912

約数和(自身を除く): 193173132

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, 243, 270, 324, 405, 486, 540, 810, 972, 1215, 1620, 2430, 4860, 18523, 37046, 55569, 74092, 92615, 111138, 166707, 185230, 222276, 277845, 333414, 370460, 500121, 555690, 666828, 833535, 1000242, 1111380, 1500363, 1667070, 2000484, 2500605, 3000726, 3334140, 4501089, 5001210, 6001452, 7501815, 9002178, 10002420, 15003630, 18004356, 22505445, 30007260, 45010890, 90021780]

約数ペア:

[(1, 90021780), (2, 45010890), (3, 30007260), (4, 22505445), (5, 18004356), (6, 15003630), (9, 10002420), (10, 9002178), (12, 7501815), (15, 6001452), (18, 5001210), (20, 4501089), (27, 3334140), (30, 3000726), (36, 2500605), (45, 2000484), (54, 1667070), (60, 1500363), (81, 1111380), (90, 1000242), (108, 833535), (135, 666828), (162, 555690), (180, 500121), (243, 370460), (270, 333414), (324, 277845), (405, 222276), (486, 185230), (540, 166707), (810, 111138), (972, 92615), (1215, 74092), (1620, 55569), (2430, 37046), (4860, 18523)]