90122320

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{281}}^1$

素因数の和:524

約数の個数: 80

約数和(自身を含む): 222396480

約数和(自身を除く): 132274160

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 211, 281, 304, 380, 422, 562, 760, 844, 1055, 1124, 1405, 1520, 1688, 2110, 2248, 2810, 3376, 4009, 4220, 4496, 5339, 5620, 8018, 8440, 10678, 11240, 16036, 16880, 20045, 21356, 22480, 26695, 32072, 40090, 42712, 53390, 59291, 64144, 80180, 85424, 106780, 118582, 160360, 213560, 237164, 296455, 320720, 427120, 474328, 592910, 948656, 1126529, 1185820, 2253058, 2371640, 4506116, 4743280, 5632645, 9012232, 11265290, 18024464, 22530580, 45061160, 90122320]

約数ペア:

[(1, 90122320), (2, 45061160), (4, 22530580), (5, 18024464), (8, 11265290), (10, 9012232), (16, 5632645), (19, 4743280), (20, 4506116), (38, 2371640), (40, 2253058), (76, 1185820), (80, 1126529), (95, 948656), (152, 592910), (190, 474328), (211, 427120), (281, 320720), (304, 296455), (380, 237164), (422, 213560), (562, 160360), (760, 118582), (844, 106780), (1055, 85424), (1124, 80180), (1405, 64144), (1520, 59291), (1688, 53390), (2110, 42712), (2248, 40090), (2810, 32072), (3376, 26695), (4009, 22480), (4220, 21356), (4496, 20045), (5339, 16880), (5620, 16036), (8018, 11240), (8440, 10678)]