129284220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{165749}}^1$

素因数の和:165774

約数の個数: 48

約数和(自身を含む): 389844000

約数和(自身を除く): 260559780

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 165749, 331498, 497247, 662996, 828745, 994494, 1657490, 1988988, 2154737, 2486235, 3314980, 4309474, 4972470, 6464211, 8618948, 9944940, 10773685, 12928422, 21547370, 25856844, 32321055, 43094740, 64642110, 129284220]

約数ペア:

[(1, 129284220), (2, 64642110), (3, 43094740), (4, 32321055), (5, 25856844), (6, 21547370), (10, 12928422), (12, 10773685), (13, 9944940), (15, 8618948), (20, 6464211), (26, 4972470), (30, 4309474), (39, 3314980), (52, 2486235), (60, 2154737), (65, 1988988), (78, 1657490), (130, 994494), (156, 828745), (195, 662996), (260, 497247), (390, 331498), (780, 165749)]