81388710

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{5351}}^1$

素因数の和:5390

約数の個数: 72

約数和(自身を含む): 229183344

約数和(自身を除く): 147794634

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 169, 195, 234, 338, 390, 507, 585, 845, 1014, 1170, 1521, 1690, 2535, 3042, 5070, 5351, 7605, 10702, 15210, 16053, 26755, 32106, 48159, 53510, 69563, 80265, 96318, 139126, 160530, 208689, 240795, 347815, 417378, 481590, 626067, 695630, 904319, 1043445, 1252134, 1808638, 2086890, 2712957, 3130335, 4521595, 5425914, 6260670, 8138871, 9043190, 13564785, 16277742, 27129570, 40694355, 81388710]

約数ペア:

[(1, 81388710), (2, 40694355), (3, 27129570), (5, 16277742), (6, 13564785), (9, 9043190), (10, 8138871), (13, 6260670), (15, 5425914), (18, 4521595), (26, 3130335), (30, 2712957), (39, 2086890), (45, 1808638), (65, 1252134), (78, 1043445), (90, 904319), (117, 695630), (130, 626067), (169, 481590), (195, 417378), (234, 347815), (338, 240795), (390, 208689), (507, 160530), (585, 139126), (845, 96318), (1014, 80265), (1170, 69563), (1521, 53510), (1690, 48159), (2535, 32106), (3042, 26755), (5070, 16053), (5351, 15210), (7605, 10702)]