138422640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{673}}^1\times {\mathrm{857}}^1$

素因数の和:1546

約数の個数: 80

約数和(自身を含む): 430249248

約数和(自身を除く): 291826608

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 673, 857, 1346, 1714, 2019, 2571, 2692, 3365, 3428, 4038, 4285, 5142, 5384, 6730, 6856, 8076, 8570, 10095, 10284, 10768, 12855, 13460, 13712, 16152, 17140, 20190, 20568, 25710, 26920, 32304, 34280, 40380, 41136, 51420, 53840, 68560, 80760, 102840, 161520, 205680, 576761, 1153522, 1730283, 2307044, 2883805, 3460566, 4614088, 5767610, 6921132, 8651415, 9228176, 11535220, 13842264, 17302830, 23070440, 27684528, 34605660, 46140880, 69211320, 138422640]

約数ペア:

[(1, 138422640), (2, 69211320), (3, 46140880), (4, 34605660), (5, 27684528), (6, 23070440), (8, 17302830), (10, 13842264), (12, 11535220), (15, 9228176), (16, 8651415), (20, 6921132), (24, 5767610), (30, 4614088), (40, 3460566), (48, 2883805), (60, 2307044), (80, 1730283), (120, 1153522), (240, 576761), (673, 205680), (857, 161520), (1346, 102840), (1714, 80760), (2019, 68560), (2571, 53840), (2692, 51420), (3365, 41136), (3428, 40380), (4038, 34280), (4285, 32304), (5142, 26920), (5384, 25710), (6730, 20568), (6856, 20190), (8076, 17140), (8570, 16152), (10095, 13712), (10284, 13460), (10768, 12855)]