78242460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{653}}^1\times {\mathrm{1997}}^1$

素因数の和:2662

約数の個数: 48

約数和(自身を含む): 219524256

約数和(自身を除く): 141281796

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 653, 1306, 1959, 1997, 2612, 3265, 3918, 3994, 5991, 6530, 7836, 7988, 9795, 9985, 11982, 13060, 19590, 19970, 23964, 29955, 39180, 39940, 59910, 119820, 1304041, 2608082, 3912123, 5216164, 6520205, 7824246, 13040410, 15648492, 19560615, 26080820, 39121230, 78242460]

約数ペア:

[(1, 78242460), (2, 39121230), (3, 26080820), (4, 19560615), (5, 15648492), (6, 13040410), (10, 7824246), (12, 6520205), (15, 5216164), (20, 3912123), (30, 2608082), (60, 1304041), (653, 119820), (1306, 59910), (1959, 39940), (1997, 39180), (2612, 29955), (3265, 23964), (3918, 19970), (3994, 19590), (5991, 13060), (6530, 11982), (7836, 9985), (7988, 9795)]