120678040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{13903}}^1$

素因数の和:13952

約数の個数: 64

約数和(自身を含む): 320348160

約数和(自身を除く): 199670120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 868, 1085, 1240, 1736, 2170, 4340, 8680, 13903, 27806, 55612, 69515, 97321, 111224, 139030, 194642, 278060, 389284, 430993, 486605, 556120, 778568, 861986, 973210, 1723972, 1946420, 2154965, 3016951, 3447944, 3892840, 4309930, 6033902, 8619860, 12067804, 15084755, 17239720, 24135608, 30169510, 60339020, 120678040]

約数ペア:

[(1, 120678040), (2, 60339020), (4, 30169510), (5, 24135608), (7, 17239720), (8, 15084755), (10, 12067804), (14, 8619860), (20, 6033902), (28, 4309930), (31, 3892840), (35, 3447944), (40, 3016951), (56, 2154965), (62, 1946420), (70, 1723972), (124, 973210), (140, 861986), (155, 778568), (217, 556120), (248, 486605), (280, 430993), (310, 389284), (434, 278060), (620, 194642), (868, 139030), (1085, 111224), (1240, 97321), (1736, 69515), (2170, 55612), (4340, 27806), (8680, 13903)]