81976710

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1\times {\mathrm{487}}^1$

素因数の和:709

約数の個数: 64

約数和(自身を含む): 204632064

約数和(自身を除く): 122655354

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 93, 155, 181, 186, 310, 362, 465, 487, 543, 905, 930, 974, 1086, 1461, 1810, 2435, 2715, 2922, 4870, 5430, 5611, 7305, 11222, 14610, 15097, 16833, 28055, 30194, 33666, 45291, 56110, 75485, 84165, 88147, 90582, 150970, 168330, 176294, 226455, 264441, 440735, 452910, 528882, 881470, 1322205, 2644410, 2732557, 5465114, 8197671, 13662785, 16395342, 27325570, 40988355, 81976710]

約数ペア:

[(1, 81976710), (2, 40988355), (3, 27325570), (5, 16395342), (6, 13662785), (10, 8197671), (15, 5465114), (30, 2732557), (31, 2644410), (62, 1322205), (93, 881470), (155, 528882), (181, 452910), (186, 440735), (310, 264441), (362, 226455), (465, 176294), (487, 168330), (543, 150970), (905, 90582), (930, 88147), (974, 84165), (1086, 75485), (1461, 56110), (1810, 45291), (2435, 33666), (2715, 30194), (2922, 28055), (4870, 16833), (5430, 15097), (5611, 14610), (7305, 11222)]