31219290

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2689}}^1$

素因数の和:2748

約数の個数: 64

約数和(自身を含む): 85219200

約数和(自身を除く): 53999910

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 43, 45, 54, 86, 90, 129, 135, 215, 258, 270, 387, 430, 645, 774, 1161, 1290, 1935, 2322, 2689, 3870, 5378, 5805, 8067, 11610, 13445, 16134, 24201, 26890, 40335, 48402, 72603, 80670, 115627, 121005, 145206, 231254, 242010, 346881, 363015, 578135, 693762, 726030, 1040643, 1156270, 1734405, 2081286, 3121929, 3468810, 5203215, 6243858, 10406430, 15609645, 31219290]

約数ペア:

[(1, 31219290), (2, 15609645), (3, 10406430), (5, 6243858), (6, 5203215), (9, 3468810), (10, 3121929), (15, 2081286), (18, 1734405), (27, 1156270), (30, 1040643), (43, 726030), (45, 693762), (54, 578135), (86, 363015), (90, 346881), (129, 242010), (135, 231254), (215, 145206), (258, 121005), (270, 115627), (387, 80670), (430, 72603), (645, 48402), (774, 40335), (1161, 26890), (1290, 24201), (1935, 16134), (2322, 13445), (2689, 11610), (3870, 8067), (5378, 5805)]