79500780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{443}}^1\times {\mathrm{997}}^1$

素因数の和:1455

約数の個数: 72

約数和(自身を含む): 241939152

約数和(自身を除く): 162438372

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 443, 886, 997, 1329, 1772, 1994, 2215, 2658, 2991, 3987, 3988, 4430, 4985, 5316, 5982, 6645, 7974, 8860, 8973, 9970, 11964, 13290, 14955, 15948, 17946, 19935, 19940, 26580, 29910, 35892, 39870, 44865, 59820, 79740, 89730, 179460, 441671, 883342, 1325013, 1766684, 2208355, 2650026, 3975039, 4416710, 5300052, 6625065, 7950078, 8833420, 13250130, 15900156, 19875195, 26500260, 39750390, 79500780]

約数ペア:

[(1, 79500780), (2, 39750390), (3, 26500260), (4, 19875195), (5, 15900156), (6, 13250130), (9, 8833420), (10, 7950078), (12, 6625065), (15, 5300052), (18, 4416710), (20, 3975039), (30, 2650026), (36, 2208355), (45, 1766684), (60, 1325013), (90, 883342), (180, 441671), (443, 179460), (886, 89730), (997, 79740), (1329, 59820), (1772, 44865), (1994, 39870), (2215, 35892), (2658, 29910), (2991, 26580), (3987, 19940), (3988, 19935), (4430, 17946), (4985, 15948), (5316, 14955), (5982, 13290), (6645, 11964), (7974, 9970), (8860, 8973)]