155651640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{997}}^1\times {\mathrm{1301}}^1$

素因数の和:2312

約数の個数: 64

約数和(自身を含む): 467782560

約数和(自身を除く): 312130920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 997, 1301, 1994, 2602, 2991, 3903, 3988, 4985, 5204, 5982, 6505, 7806, 7976, 9970, 10408, 11964, 13010, 14955, 15612, 19515, 19940, 23928, 26020, 29910, 31224, 39030, 39880, 52040, 59820, 78060, 119640, 156120, 1297097, 2594194, 3891291, 5188388, 6485485, 7782582, 10376776, 12970970, 15565164, 19456455, 25941940, 31130328, 38912910, 51883880, 77825820, 155651640]

約数ペア:

[(1, 155651640), (2, 77825820), (3, 51883880), (4, 38912910), (5, 31130328), (6, 25941940), (8, 19456455), (10, 15565164), (12, 12970970), (15, 10376776), (20, 7782582), (24, 6485485), (30, 5188388), (40, 3891291), (60, 2594194), (120, 1297097), (997, 156120), (1301, 119640), (1994, 78060), (2602, 59820), (2991, 52040), (3903, 39880), (3988, 39030), (4985, 31224), (5204, 29910), (5982, 26020), (6505, 23928), (7806, 19940), (7976, 19515), (9970, 15612), (10408, 14955), (11964, 13010)]