257728770

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{727}}^1$

素因数の和:857

約数の個数: 128

約数和(自身を含む): 748500480

約数和(自身を除く): 490771710

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 27, 30, 39, 45, 54, 65, 78, 90, 101, 117, 130, 135, 195, 202, 234, 270, 303, 351, 390, 505, 585, 606, 702, 727, 909, 1010, 1170, 1313, 1454, 1515, 1755, 1818, 2181, 2626, 2727, 3030, 3510, 3635, 3939, 4362, 4545, 5454, 6543, 6565, 7270, 7878, 9090, 9451, 10905, 11817, 13086, 13130, 13635, 18902, 19629, 19695, 21810, 23634, 27270, 28353, 32715, 35451, 39258, 39390, 47255, 56706, 59085, 65430, 70902, 73427, 85059, 94510, 98145, 118170, 141765, 146854, 170118, 177255, 196290, 220281, 255177, 283530, 354510, 367135, 425295, 440562, 510354, 660843, 734270, 850590, 954551, 1101405, 1275885, 1321686, 1909102, 1982529, 2202810, 2551770, 2863653, 3304215, 3965058, 4772755, 5727306, 6608430, 8590959, 9545510, 9912645, 14318265, 17181918, 19825290, 25772877, 28636530, 42954795, 51545754, 85909590, 128864385, 257728770]

約数ペア:

[(1, 257728770), (2, 128864385), (3, 85909590), (5, 51545754), (6, 42954795), (9, 28636530), (10, 25772877), (13, 19825290), (15, 17181918), (18, 14318265), (26, 9912645), (27, 9545510), (30, 8590959), (39, 6608430), (45, 5727306), (54, 4772755), (65, 3965058), (78, 3304215), (90, 2863653), (101, 2551770), (117, 2202810), (130, 1982529), (135, 1909102), (195, 1321686), (202, 1275885), (234, 1101405), (270, 954551), (303, 850590), (351, 734270), (390, 660843), (505, 510354), (585, 440562), (606, 425295), (702, 367135), (727, 354510), (909, 283530), (1010, 255177), (1170, 220281), (1313, 196290), (1454, 177255), (1515, 170118), (1755, 146854), (1818, 141765), (2181, 118170), (2626, 98145), (2727, 94510), (3030, 85059), (3510, 73427), (3635, 70902), (3939, 65430), (4362, 59085), (4545, 56706), (5454, 47255), (6543, 39390), (6565, 39258), (7270, 35451), (7878, 32715), (9090, 28353), (9451, 27270), (10905, 23634), (11817, 21810), (13086, 19695), (13130, 19629), (13635, 18902)]