81144570

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{12239}}^1$

素因数の和:12279

約数の個数: 64

約数和(自身を含む): 222082560

約数和(自身を除く): 140937990

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 17, 26, 30, 34, 39, 51, 65, 78, 85, 102, 130, 170, 195, 221, 255, 390, 442, 510, 663, 1105, 1326, 2210, 3315, 6630, 12239, 24478, 36717, 61195, 73434, 122390, 159107, 183585, 208063, 318214, 367170, 416126, 477321, 624189, 795535, 954642, 1040315, 1248378, 1591070, 2080630, 2386605, 2704819, 3120945, 4773210, 5409638, 6241890, 8114457, 13524095, 16228914, 27048190, 40572285, 81144570]

約数ペア:

[(1, 81144570), (2, 40572285), (3, 27048190), (5, 16228914), (6, 13524095), (10, 8114457), (13, 6241890), (15, 5409638), (17, 4773210), (26, 3120945), (30, 2704819), (34, 2386605), (39, 2080630), (51, 1591070), (65, 1248378), (78, 1040315), (85, 954642), (102, 795535), (130, 624189), (170, 477321), (195, 416126), (221, 367170), (255, 318214), (390, 208063), (442, 183585), (510, 159107), (663, 122390), (1105, 73434), (1326, 61195), (2210, 36717), (3315, 24478), (6630, 12239)]