123189040

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3821}}^1$

素因数の和:3878

約数の個数: 80

約数和(自身を含む): 318479616

約数和(自身を除く): 195290576

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 208, 248, 260, 310, 403, 496, 520, 620, 806, 1040, 1240, 1612, 2015, 2480, 3224, 3821, 4030, 6448, 7642, 8060, 15284, 16120, 19105, 30568, 32240, 38210, 49673, 61136, 76420, 99346, 118451, 152840, 198692, 236902, 248365, 305680, 397384, 473804, 496730, 592255, 794768, 947608, 993460, 1184510, 1539863, 1895216, 1986920, 2369020, 3079726, 3973840, 4738040, 6159452, 7699315, 9476080, 12318904, 15398630, 24637808, 30797260, 61594520, 123189040]

約数ペア:

[(1, 123189040), (2, 61594520), (4, 30797260), (5, 24637808), (8, 15398630), (10, 12318904), (13, 9476080), (16, 7699315), (20, 6159452), (26, 4738040), (31, 3973840), (40, 3079726), (52, 2369020), (62, 1986920), (65, 1895216), (80, 1539863), (104, 1184510), (124, 993460), (130, 947608), (155, 794768), (208, 592255), (248, 496730), (260, 473804), (310, 397384), (403, 305680), (496, 248365), (520, 236902), (620, 198692), (806, 152840), (1040, 118451), (1240, 99346), (1612, 76420), (2015, 61136), (2480, 49673), (3224, 38210), (3821, 32240), (4030, 30568), (6448, 19105), (7642, 16120), (8060, 15284)]