2878747740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1453913}}^1$

素因数の和:1453939

約数の個数: 72

約数和(自身を含む): 9526044528

約数和(自身を除く): 6647296788

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 1453913, 2907826, 4361739, 5815652, 7269565, 8723478, 13085217, 14539130, 15993043, 17446956, 21808695, 26170434, 29078260, 31986086, 43617390, 47979129, 52340868, 63972172, 65426085, 79965215, 87234780, 95958258, 130852170, 143937387, 159930430, 191916516, 239895645, 261704340, 287874774, 319860860, 479791290, 575749548, 719686935, 959582580, 1439373870, 2878747740]

約数ペア:

[(1, 2878747740), (2, 1439373870), (3, 959582580), (4, 719686935), (5, 575749548), (6, 479791290), (9, 319860860), (10, 287874774), (11, 261704340), (12, 239895645), (15, 191916516), (18, 159930430), (20, 143937387), (22, 130852170), (30, 95958258), (33, 87234780), (36, 79965215), (44, 65426085), (45, 63972172), (55, 52340868), (60, 47979129), (66, 43617390), (90, 31986086), (99, 29078260), (110, 26170434), (132, 21808695), (165, 17446956), (180, 15993043), (198, 14539130), (220, 13085217), (330, 8723478), (396, 7269565), (495, 5815652), (660, 4361739), (990, 2907826), (1980, 1453913)]