128628540

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{238201}}^1$

素因数の和:238219

約数の個数: 48

約数和(自身を含む): 400179360

約数和(自身を除く): 271550820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 238201, 476402, 714603, 952804, 1191005, 1429206, 2143809, 2382010, 2858412, 3573015, 4287618, 4764020, 6431427, 7146030, 8575236, 10719045, 12862854, 14292060, 21438090, 25725708, 32157135, 42876180, 64314270, 128628540]

約数ペア:

[(1, 128628540), (2, 64314270), (3, 42876180), (4, 32157135), (5, 25725708), (6, 21438090), (9, 14292060), (10, 12862854), (12, 10719045), (15, 8575236), (18, 7146030), (20, 6431427), (27, 4764020), (30, 4287618), (36, 3573015), (45, 2858412), (54, 2382010), (60, 2143809), (90, 1429206), (108, 1191005), (135, 952804), (180, 714603), (270, 476402), (540, 238201)]