81131640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{10091}}^1$

素因数の和:10172

約数の個数: 64

約数和(自身を含む): 247052160

約数和(自身を除く): 165920520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 67, 120, 134, 201, 268, 335, 402, 536, 670, 804, 1005, 1340, 1608, 2010, 2680, 4020, 8040, 10091, 20182, 30273, 40364, 50455, 60546, 80728, 100910, 121092, 151365, 201820, 242184, 302730, 403640, 605460, 676097, 1210920, 1352194, 2028291, 2704388, 3380485, 4056582, 5408776, 6760970, 8113164, 10141455, 13521940, 16226328, 20282910, 27043880, 40565820, 81131640]

約数ペア:

[(1, 81131640), (2, 40565820), (3, 27043880), (4, 20282910), (5, 16226328), (6, 13521940), (8, 10141455), (10, 8113164), (12, 6760970), (15, 5408776), (20, 4056582), (24, 3380485), (30, 2704388), (40, 2028291), (60, 1352194), (67, 1210920), (120, 676097), (134, 605460), (201, 403640), (268, 302730), (335, 242184), (402, 201820), (536, 151365), (670, 121092), (804, 100910), (1005, 80728), (1340, 60546), (1608, 50455), (2010, 40364), (2680, 30273), (4020, 20182), (8040, 10091)]