215531460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{997}}^1\times {\mathrm{1201}}^1$

素因数の和:2213

約数の個数: 72

約数和(自身を含む): 654979416

約数和(自身を除く): 439447956

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 997, 1201, 1994, 2402, 2991, 3603, 3988, 4804, 4985, 5982, 6005, 7206, 8973, 9970, 10809, 11964, 12010, 14412, 14955, 17946, 18015, 19940, 21618, 24020, 29910, 35892, 36030, 43236, 44865, 54045, 59820, 72060, 89730, 108090, 179460, 216180, 1197397, 2394794, 3592191, 4789588, 5986985, 7184382, 10776573, 11973970, 14368764, 17960955, 21553146, 23947940, 35921910, 43106292, 53882865, 71843820, 107765730, 215531460]

約数ペア:

[(1, 215531460), (2, 107765730), (3, 71843820), (4, 53882865), (5, 43106292), (6, 35921910), (9, 23947940), (10, 21553146), (12, 17960955), (15, 14368764), (18, 11973970), (20, 10776573), (30, 7184382), (36, 5986985), (45, 4789588), (60, 3592191), (90, 2394794), (180, 1197397), (997, 216180), (1201, 179460), (1994, 108090), (2402, 89730), (2991, 72060), (3603, 59820), (3988, 54045), (4804, 44865), (4985, 43236), (5982, 36030), (6005, 35892), (7206, 29910), (8973, 24020), (9970, 21618), (10809, 19940), (11964, 18015), (12010, 17946), (14412, 14955)]