162991140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{208963}}^1$

素因数の和:208988

約数の個数: 48

約数和(自身を含む): 491483328

約数和(自身を除く): 328492188

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, 208963, 417926, 626889, 835852, 1044815, 1253778, 2089630, 2507556, 2716519, 3134445, 4179260, 5433038, 6268890, 8149557, 10866076, 12537780, 13582595, 16299114, 27165190, 32598228, 40747785, 54330380, 81495570, 162991140]

約数ペア:

[(1, 162991140), (2, 81495570), (3, 54330380), (4, 40747785), (5, 32598228), (6, 27165190), (10, 16299114), (12, 13582595), (13, 12537780), (15, 10866076), (20, 8149557), (26, 6268890), (30, 5433038), (39, 4179260), (52, 3134445), (60, 2716519), (65, 2507556), (78, 2089630), (130, 1253778), (156, 1044815), (195, 835852), (260, 626889), (390, 417926), (780, 208963)]