31380180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{40231}}^1$

素因数の和:40256

約数の個数: 48

約数和(自身を含む): 94625664

約数和(自身を除く): 63245484

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, 40231, 80462, 120693, 160924, 201155, 241386, 402310, 482772, 523003, 603465, 804620, 1046006, 1206930, 1569009, 2092012, 2413860, 2615015, 3138018, 5230030, 6276036, 7845045, 10460060, 15690090, 31380180]

約数ペア:

[(1, 31380180), (2, 15690090), (3, 10460060), (4, 7845045), (5, 6276036), (6, 5230030), (10, 3138018), (12, 2615015), (13, 2413860), (15, 2092012), (20, 1569009), (26, 1206930), (30, 1046006), (39, 804620), (52, 603465), (60, 523003), (65, 482772), (78, 402310), (130, 241386), (156, 201155), (195, 160924), (260, 120693), (390, 80462), (780, 40231)]