81887430

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1\times {\mathrm{461}}^1$

素因数の和:693

約数の個数: 64

約数和(自身を含む): 204374016

約数和(自身を除く): 122486586

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 93, 155, 186, 191, 310, 382, 461, 465, 573, 922, 930, 955, 1146, 1383, 1910, 2305, 2766, 2865, 4610, 5730, 5921, 6915, 11842, 13830, 14291, 17763, 28582, 29605, 35526, 42873, 59210, 71455, 85746, 88051, 88815, 142910, 176102, 177630, 214365, 264153, 428730, 440255, 528306, 880510, 1320765, 2641530, 2729581, 5459162, 8188743, 13647905, 16377486, 27295810, 40943715, 81887430]

約数ペア:

[(1, 81887430), (2, 40943715), (3, 27295810), (5, 16377486), (6, 13647905), (10, 8188743), (15, 5459162), (30, 2729581), (31, 2641530), (62, 1320765), (93, 880510), (155, 528306), (186, 440255), (191, 428730), (310, 264153), (382, 214365), (461, 177630), (465, 176102), (573, 142910), (922, 88815), (930, 88051), (955, 85746), (1146, 71455), (1383, 59210), (1910, 42873), (2305, 35526), (2766, 29605), (2865, 28582), (4610, 17763), (5730, 14291), (5921, 13830), (6915, 11842)]