20430120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{2791}}^1$

素因数の和:2866

約数の個数: 64

約数和(自身を含む): 62317440

約数和(自身を除く): 41887320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 61, 120, 122, 183, 244, 305, 366, 488, 610, 732, 915, 1220, 1464, 1830, 2440, 2791, 3660, 5582, 7320, 8373, 11164, 13955, 16746, 22328, 27910, 33492, 41865, 55820, 66984, 83730, 111640, 167460, 170251, 334920, 340502, 510753, 681004, 851255, 1021506, 1362008, 1702510, 2043012, 2553765, 3405020, 4086024, 5107530, 6810040, 10215060, 20430120]

約数ペア:

[(1, 20430120), (2, 10215060), (3, 6810040), (4, 5107530), (5, 4086024), (6, 3405020), (8, 2553765), (10, 2043012), (12, 1702510), (15, 1362008), (20, 1021506), (24, 851255), (30, 681004), (40, 510753), (60, 340502), (61, 334920), (120, 170251), (122, 167460), (183, 111640), (244, 83730), (305, 66984), (366, 55820), (488, 41865), (610, 33492), (732, 27910), (915, 22328), (1220, 16746), (1464, 13955), (1830, 11164), (2440, 8373), (2791, 7320), (3660, 5582)]