91430520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{211}}^1$

素因数の和:405

約数の個数: 128

約数和(自身を含む): 289405440

約数和(自身を除く): 197974920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 157, 184, 211, 230, 276, 314, 345, 422, 460, 471, 552, 628, 633, 690, 785, 844, 920, 942, 1055, 1256, 1266, 1380, 1570, 1688, 1884, 2110, 2355, 2532, 2760, 3140, 3165, 3611, 3768, 4220, 4710, 4853, 5064, 6280, 6330, 7222, 8440, 9420, 9706, 10833, 12660, 14444, 14559, 18055, 18840, 19412, 21666, 24265, 25320, 28888, 29118, 33127, 36110, 38824, 43332, 48530, 54165, 58236, 66254, 72220, 72795, 86664, 97060, 99381, 108330, 116472, 132508, 144440, 145590, 165635, 194120, 198762, 216660, 265016, 291180, 331270, 397524, 433320, 496905, 582360, 662540, 761921, 795048, 993810, 1325080, 1523842, 1987620, 2285763, 3047684, 3809605, 3975240, 4571526, 6095368, 7619210, 9143052, 11428815, 15238420, 18286104, 22857630, 30476840, 45715260, 91430520]

約数ペア:

[(1, 91430520), (2, 45715260), (3, 30476840), (4, 22857630), (5, 18286104), (6, 15238420), (8, 11428815), (10, 9143052), (12, 7619210), (15, 6095368), (20, 4571526), (23, 3975240), (24, 3809605), (30, 3047684), (40, 2285763), (46, 1987620), (60, 1523842), (69, 1325080), (92, 993810), (115, 795048), (120, 761921), (138, 662540), (157, 582360), (184, 496905), (211, 433320), (230, 397524), (276, 331270), (314, 291180), (345, 265016), (422, 216660), (460, 198762), (471, 194120), (552, 165635), (628, 145590), (633, 144440), (690, 132508), (785, 116472), (844, 108330), (920, 99381), (942, 97060), (1055, 86664), (1256, 72795), (1266, 72220), (1380, 66254), (1570, 58236), (1688, 54165), (1884, 48530), (2110, 43332), (2355, 38824), (2532, 36110), (2760, 33127), (3140, 29118), (3165, 28888), (3611, 25320), (3768, 24265), (4220, 21666), (4710, 19412), (4853, 18840), (5064, 18055), (6280, 14559), (6330, 14444), (7222, 12660), (8440, 10833), (9420, 9706)]