18198480

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{191}}^1\times {\mathrm{397}}^1$

素因数の和:604

約数の個数: 80

約数和(自身を含む): 56853504

約数和(自身を除く): 38655024

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 191, 240, 382, 397, 573, 764, 794, 955, 1146, 1191, 1528, 1588, 1910, 1985, 2292, 2382, 2865, 3056, 3176, 3820, 3970, 4584, 4764, 5730, 5955, 6352, 7640, 7940, 9168, 9528, 11460, 11910, 15280, 15880, 19056, 22920, 23820, 31760, 45840, 47640, 75827, 95280, 151654, 227481, 303308, 379135, 454962, 606616, 758270, 909924, 1137405, 1213232, 1516540, 1819848, 2274810, 3033080, 3639696, 4549620, 6066160, 9099240, 18198480]

約数ペア:

[(1, 18198480), (2, 9099240), (3, 6066160), (4, 4549620), (5, 3639696), (6, 3033080), (8, 2274810), (10, 1819848), (12, 1516540), (15, 1213232), (16, 1137405), (20, 909924), (24, 758270), (30, 606616), (40, 454962), (48, 379135), (60, 303308), (80, 227481), (120, 151654), (191, 95280), (240, 75827), (382, 47640), (397, 45840), (573, 31760), (764, 23820), (794, 22920), (955, 19056), (1146, 15880), (1191, 15280), (1528, 11910), (1588, 11460), (1910, 9528), (1985, 9168), (2292, 7940), (2382, 7640), (2865, 6352), (3056, 5955), (3176, 5730), (3820, 4764), (3970, 4584)]