81176910

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1\times {\mathrm{457}}^1$

素因数の和:689

約数の個数: 64

約数和(自身を含む): 202604544

約数和(自身を除く): 121427634

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 93, 155, 186, 191, 310, 382, 457, 465, 573, 914, 930, 955, 1146, 1371, 1910, 2285, 2742, 2865, 4570, 5730, 5921, 6855, 11842, 13710, 14167, 17763, 28334, 29605, 35526, 42501, 59210, 70835, 85002, 87287, 88815, 141670, 174574, 177630, 212505, 261861, 425010, 436435, 523722, 872870, 1309305, 2618610, 2705897, 5411794, 8117691, 13529485, 16235382, 27058970, 40588455, 81176910]

約数ペア:

[(1, 81176910), (2, 40588455), (3, 27058970), (5, 16235382), (6, 13529485), (10, 8117691), (15, 5411794), (30, 2705897), (31, 2618610), (62, 1309305), (93, 872870), (155, 523722), (186, 436435), (191, 425010), (310, 261861), (382, 212505), (457, 177630), (465, 174574), (573, 141670), (914, 88815), (930, 87287), (955, 85002), (1146, 70835), (1371, 59210), (1910, 42501), (2285, 35526), (2742, 29605), (2865, 28334), (4570, 17763), (5730, 14167), (5921, 13710), (6855, 11842)]