1320220890

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{257353}}^1$

素因数の和:257388

約数の個数: 64

約数和(自身を含む): 3705897600

約数和(自身を除く): 2385676710

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 27, 30, 38, 45, 54, 57, 90, 95, 114, 135, 171, 190, 270, 285, 342, 513, 570, 855, 1026, 1710, 2565, 5130, 257353, 514706, 772059, 1286765, 1544118, 2316177, 2573530, 3860295, 4632354, 4889707, 6948531, 7720590, 9779414, 11580885, 13897062, 14669121, 23161770, 24448535, 29338242, 34742655, 44007363, 48897070, 69485310, 73345605, 88014726, 132022089, 146691210, 220036815, 264044178, 440073630, 660110445, 1320220890]

約数ペア:

[(1, 1320220890), (2, 660110445), (3, 440073630), (5, 264044178), (6, 220036815), (9, 146691210), (10, 132022089), (15, 88014726), (18, 73345605), (19, 69485310), (27, 48897070), (30, 44007363), (38, 34742655), (45, 29338242), (54, 24448535), (57, 23161770), (90, 14669121), (95, 13897062), (114, 11580885), (135, 9779414), (171, 7720590), (190, 6948531), (270, 4889707), (285, 4632354), (342, 3860295), (513, 2573530), (570, 2316177), (855, 1544118), (1026, 1286765), (1710, 772059), (2565, 514706), (5130, 257353)]