280225530

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{239509}}^1$

素因数の和:239535

約数の個数: 48

約数和(自身を含む): 784634760

約数和(自身を除く): 504409230

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 195, 234, 390, 585, 1170, 239509, 479018, 718527, 1197545, 1437054, 2155581, 2395090, 3113617, 3592635, 4311162, 6227234, 7185270, 9340851, 10777905, 15568085, 18681702, 21555810, 28022553, 31136170, 46704255, 56045106, 93408510, 140112765, 280225530]

約数ペア:

[(1, 280225530), (2, 140112765), (3, 93408510), (5, 56045106), (6, 46704255), (9, 31136170), (10, 28022553), (13, 21555810), (15, 18681702), (18, 15568085), (26, 10777905), (30, 9340851), (39, 7185270), (45, 6227234), (65, 4311162), (78, 3592635), (90, 3113617), (117, 2395090), (130, 2155581), (195, 1437054), (234, 1197545), (390, 718527), (585, 479018), (1170, 239509)]