81506160

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{6659}}^1$

素因数の和:6695

約数の個数: 120

約数和(自身を含む): 289869840

約数和(自身を除く): 208363680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 34, 36, 40, 45, 48, 51, 60, 68, 72, 80, 85, 90, 102, 120, 136, 144, 153, 170, 180, 204, 240, 255, 272, 306, 340, 360, 408, 510, 612, 680, 720, 765, 816, 1020, 1224, 1360, 1530, 2040, 2448, 3060, 4080, 6120, 6659, 12240, 13318, 19977, 26636, 33295, 39954, 53272, 59931, 66590, 79908, 99885, 106544, 113203, 119862, 133180, 159816, 199770, 226406, 239724, 266360, 299655, 319632, 339609, 399540, 452812, 479448, 532720, 566015, 599310, 679218, 799080, 905624, 958896, 1018827, 1132030, 1198620, 1358436, 1598160, 1698045, 1811248, 2037654, 2264060, 2397240, 2716872, 3396090, 4075308, 4528120, 4794480, 5094135, 5433744, 6792180, 8150616, 9056240, 10188270, 13584360, 16301232, 20376540, 27168720, 40753080, 81506160]

約数ペア:

[(1, 81506160), (2, 40753080), (3, 27168720), (4, 20376540), (5, 16301232), (6, 13584360), (8, 10188270), (9, 9056240), (10, 8150616), (12, 6792180), (15, 5433744), (16, 5094135), (17, 4794480), (18, 4528120), (20, 4075308), (24, 3396090), (30, 2716872), (34, 2397240), (36, 2264060), (40, 2037654), (45, 1811248), (48, 1698045), (51, 1598160), (60, 1358436), (68, 1198620), (72, 1132030), (80, 1018827), (85, 958896), (90, 905624), (102, 799080), (120, 679218), (136, 599310), (144, 566015), (153, 532720), (170, 479448), (180, 452812), (204, 399540), (240, 339609), (255, 319632), (272, 299655), (306, 266360), (340, 239724), (360, 226406), (408, 199770), (510, 159816), (612, 133180), (680, 119862), (720, 113203), (765, 106544), (816, 99885), (1020, 79908), (1224, 66590), (1360, 59931), (1530, 53272), (2040, 39954), (2448, 33295), (3060, 26636), (4080, 19977), (6120, 13318), (6659, 12240)]