120920280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{77513}}^1$

素因数の和:77540

約数の個数: 64

約数和(自身を含む): 390670560

約数和(自身を除く): 269750280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 77513, 155026, 232539, 310052, 387565, 465078, 620104, 775130, 930156, 1007669, 1162695, 1550260, 1860312, 2015338, 2325390, 3023007, 3100520, 4030676, 4650780, 5038345, 6046014, 8061352, 9301560, 10076690, 12092028, 15115035, 20153380, 24184056, 30230070, 40306760, 60460140, 120920280]

約数ペア:

[(1, 120920280), (2, 60460140), (3, 40306760), (4, 30230070), (5, 24184056), (6, 20153380), (8, 15115035), (10, 12092028), (12, 10076690), (13, 9301560), (15, 8061352), (20, 6046014), (24, 5038345), (26, 4650780), (30, 4030676), (39, 3100520), (40, 3023007), (52, 2325390), (60, 2015338), (65, 1860312), (78, 1550260), (104, 1162695), (120, 1007669), (130, 930156), (156, 775130), (195, 620104), (260, 465078), (312, 387565), (390, 310052), (520, 232539), (780, 155026), (1560, 77513)]