1831960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{271}}^1$

素因数の和:308

約数の個数: 48

約数和(自身を含む): 4479840

約数和(自身を除く): 2647880

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 271, 338, 520, 542, 676, 845, 1084, 1352, 1355, 1690, 2168, 2710, 3380, 3523, 5420, 6760, 7046, 10840, 14092, 17615, 28184, 35230, 45799, 70460, 91598, 140920, 183196, 228995, 366392, 457990, 915980, 1831960]

約数ペア:

[(1, 1831960), (2, 915980), (4, 457990), (5, 366392), (8, 228995), (10, 183196), (13, 140920), (20, 91598), (26, 70460), (40, 45799), (52, 35230), (65, 28184), (104, 17615), (130, 14092), (169, 10840), (260, 7046), (271, 6760), (338, 5420), (520, 3523), (542, 3380), (676, 2710), (845, 2168), (1084, 1690), (1352, 1355)]