17940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1$

素因数の和:48

約数の個数: 48

約数和(自身を含む): 56448

約数和(自身を除く): 38508

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 23, 26, 30, 39, 46, 52, 60, 65, 69, 78, 92, 115, 130, 138, 156, 195, 230, 260, 276, 299, 345, 390, 460, 598, 690, 780, 897, 1196, 1380, 1495, 1794, 2990, 3588, 4485, 5980, 8970, 17940]

約数ペア:

[(1, 17940), (2, 8970), (3, 5980), (4, 4485), (5, 3588), (6, 2990), (10, 1794), (12, 1495), (13, 1380), (15, 1196), (20, 897), (23, 780), (26, 690), (30, 598), (39, 460), (46, 390), (52, 345), (60, 299), (65, 276), (69, 260), (78, 230), (92, 195), (115, 156), (130, 138)]