30521660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{1319}}^1$

素因数の和:1430

約数の個数: 48

約数和(自身を含む): 69854400

約数和(自身を除く): 39332740

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 89, 130, 178, 260, 356, 445, 890, 1157, 1319, 1780, 2314, 2638, 4628, 5276, 5785, 6595, 11570, 13190, 17147, 23140, 26380, 34294, 68588, 85735, 117391, 171470, 234782, 342940, 469564, 586955, 1173910, 1526083, 2347820, 3052166, 6104332, 7630415, 15260830, 30521660]

約数ペア:

[(1, 30521660), (2, 15260830), (4, 7630415), (5, 6104332), (10, 3052166), (13, 2347820), (20, 1526083), (26, 1173910), (52, 586955), (65, 469564), (89, 342940), (130, 234782), (178, 171470), (260, 117391), (356, 85735), (445, 68588), (890, 34294), (1157, 26380), (1319, 23140), (1780, 17147), (2314, 13190), (2638, 11570), (4628, 6595), (5276, 5785)]