71980560

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{389}}^1$

素因数の和:665

約数の個数: 120

約数和(自身を含む): 243299160

約数和(自身を除く): 171318600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 257, 360, 389, 514, 720, 771, 778, 1028, 1167, 1285, 1542, 1556, 1945, 2056, 2313, 2334, 2570, 3084, 3112, 3501, 3855, 3890, 4112, 4626, 4668, 5140, 5835, 6168, 6224, 7002, 7710, 7780, 9252, 9336, 10280, 11565, 11670, 12336, 14004, 15420, 15560, 17505, 18504, 18672, 20560, 23130, 23340, 28008, 30840, 31120, 35010, 37008, 46260, 46680, 56016, 61680, 70020, 92520, 93360, 99973, 140040, 185040, 199946, 280080, 299919, 399892, 499865, 599838, 799784, 899757, 999730, 1199676, 1499595, 1599568, 1799514, 1999460, 2399352, 2999190, 3599028, 3998920, 4498785, 4798704, 5998380, 7198056, 7997840, 8997570, 11996760, 14396112, 17995140, 23993520, 35990280, 71980560]

約数ペア:

[(1, 71980560), (2, 35990280), (3, 23993520), (4, 17995140), (5, 14396112), (6, 11996760), (8, 8997570), (9, 7997840), (10, 7198056), (12, 5998380), (15, 4798704), (16, 4498785), (18, 3998920), (20, 3599028), (24, 2999190), (30, 2399352), (36, 1999460), (40, 1799514), (45, 1599568), (48, 1499595), (60, 1199676), (72, 999730), (80, 899757), (90, 799784), (120, 599838), (144, 499865), (180, 399892), (240, 299919), (257, 280080), (360, 199946), (389, 185040), (514, 140040), (720, 99973), (771, 93360), (778, 92520), (1028, 70020), (1167, 61680), (1285, 56016), (1542, 46680), (1556, 46260), (1945, 37008), (2056, 35010), (2313, 31120), (2334, 30840), (2570, 28008), (3084, 23340), (3112, 23130), (3501, 20560), (3855, 18672), (3890, 18504), (4112, 17505), (4626, 15560), (4668, 15420), (5140, 14004), (5835, 12336), (6168, 11670), (6224, 11565), (7002, 10280), (7710, 9336), (7780, 9252)]