220894920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{613597}}^1$

素因数の和:613614

約数の個数: 48

約数和(自身を含む): 717909660

約数和(自身を除く): 497014740

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 613597, 1227194, 1840791, 2454388, 3067985, 3681582, 4908776, 5522373, 6135970, 7363164, 9203955, 11044746, 12271940, 14726328, 18407910, 22089492, 24543880, 27611865, 36815820, 44178984, 55223730, 73631640, 110447460, 220894920]

約数ペア:

[(1, 220894920), (2, 110447460), (3, 73631640), (4, 55223730), (5, 44178984), (6, 36815820), (8, 27611865), (9, 24543880), (10, 22089492), (12, 18407910), (15, 14726328), (18, 12271940), (20, 11044746), (24, 9203955), (30, 7363164), (36, 6135970), (40, 5522373), (45, 4908776), (60, 3681582), (72, 3067985), (90, 2454388), (120, 1840791), (180, 1227194), (360, 613597)]