30841980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{39541}}^1$

素因数の和:39566

約数の個数: 48

約数和(自身を含む): 93002784

約数和(自身を除く): 62160804

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, 39541, 79082, 118623, 158164, 197705, 237246, 395410, 474492, 514033, 593115, 790820, 1028066, 1186230, 1542099, 2056132, 2372460, 2570165, 3084198, 5140330, 6168396, 7710495, 10280660, 15420990, 30841980]

約数ペア:

[(1, 30841980), (2, 15420990), (3, 10280660), (4, 7710495), (5, 6168396), (6, 5140330), (10, 3084198), (12, 2570165), (13, 2372460), (15, 2056132), (20, 1542099), (26, 1186230), (30, 1028066), (39, 790820), (52, 593115), (60, 514033), (65, 474492), (78, 395410), (130, 237246), (156, 197705), (195, 158164), (260, 118623), (390, 79082), (780, 39541)]