81432720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{6653}}^1$

素因数の和:6689

約数の個数: 120

約数和(自身を含む): 289608696

約数和(自身を除く): 208175976

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, 6653, 12240, 13306, 19959, 26612, 33265, 39918, 53224, 59877, 66530, 79836, 99795, 106448, 113101, 119754, 133060, 159672, 199590, 226202, 239508, 266120, 299385, 319344, 339303, 399180, 452404, 479016, 532240, 565505, 598770, 678606, 798360, 904808, 958032, 1017909, 1131010, 1197540, 1357212, 1596720, 1696515, 1809616, 2035818, 2262020, 2395080, 2714424, 3393030, 4071636, 4524040, 4790160, 5089545, 5428848, 6786060, 8143272, 9048080, 10179090, 13572120, 16286544, 20358180, 27144240, 40716360, 81432720]

約数ペア:

[(1, 81432720), (2, 40716360), (3, 27144240), (4, 20358180), (5, 16286544), (6, 13572120), (8, 10179090), (9, 9048080), (10, 8143272), (12, 6786060), (15, 5428848), (16, 5089545), (17, 4790160), (18, 4524040), (20, 4071636), (24, 3393030), (30, 2714424), (34, 2395080), (36, 2262020), (40, 2035818), (45, 1809616), (48, 1696515), (51, 1596720), (60, 1357212), (68, 1197540), (72, 1131010), (80, 1017909), (85, 958032), (90, 904808), (102, 798360), (120, 678606), (136, 598770), (144, 565505), (153, 532240), (170, 479016), (180, 452404), (204, 399180), (240, 339303), (255, 319344), (272, 299385), (306, 266120), (340, 239508), (360, 226202), (408, 199590), (510, 159672), (612, 133060), (680, 119754), (720, 113101), (765, 106448), (816, 99795), (1020, 79836), (1224, 66530), (1360, 59877), (1530, 53224), (2040, 39918), (2448, 33265), (3060, 26612), (4080, 19959), (6120, 13306), (6653, 12240)]