81255030

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{2131}}^1$

素因数の和:2213

約数の個数: 64

約数和(自身を含む): 206309376

約数和(自身を除く): 125054346

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 41, 62, 82, 93, 123, 155, 186, 205, 246, 310, 410, 465, 615, 930, 1230, 1271, 2131, 2542, 3813, 4262, 6355, 6393, 7626, 10655, 12710, 12786, 19065, 21310, 31965, 38130, 63930, 66061, 87371, 132122, 174742, 198183, 262113, 330305, 396366, 436855, 524226, 660610, 873710, 990915, 1310565, 1981830, 2621130, 2708501, 5417002, 8125503, 13542505, 16251006, 27085010, 40627515, 81255030]

約数ペア:

[(1, 81255030), (2, 40627515), (3, 27085010), (5, 16251006), (6, 13542505), (10, 8125503), (15, 5417002), (30, 2708501), (31, 2621130), (41, 1981830), (62, 1310565), (82, 990915), (93, 873710), (123, 660610), (155, 524226), (186, 436855), (205, 396366), (246, 330305), (310, 262113), (410, 198183), (465, 174742), (615, 132122), (930, 87371), (1230, 66061), (1271, 63930), (2131, 38130), (2542, 31965), (3813, 21310), (4262, 19065), (6355, 12786), (6393, 12710), (7626, 10655)]