1228425280

素因数分解:

$2^6\times 5^1\times {\mathrm{127}}^1\times {\mathrm{167}}^1\times {\mathrm{181}}^1$

素因数の和:492

約数の個数: 112

約数和(自身を含む): 2982260736

約数和(自身を除く): 1753835456

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 160, 167, 181, 254, 320, 334, 362, 508, 635, 668, 724, 835, 905, 1016, 1270, 1336, 1448, 1670, 1810, 2032, 2540, 2672, 2896, 3340, 3620, 4064, 5080, 5344, 5792, 6680, 7240, 8128, 10160, 10688, 11584, 13360, 14480, 20320, 21209, 22987, 26720, 28960, 30227, 40640, 42418, 45974, 53440, 57920, 60454, 84836, 91948, 106045, 114935, 120908, 151135, 169672, 183896, 212090, 229870, 241816, 302270, 339344, 367792, 424180, 459740, 483632, 604540, 678688, 735584, 848360, 919480, 967264, 1209080, 1357376, 1471168, 1696720, 1838960, 1934528, 2418160, 3393440, 3677920, 3838829, 4836320, 6786880, 7355840, 7677658, 9672640, 15355316, 19194145, 30710632, 38388290, 61421264, 76776580, 122842528, 153553160, 245685056, 307106320, 614212640, 1228425280]

約数ペア:

[(1, 1228425280), (2, 614212640), (4, 307106320), (5, 245685056), (8, 153553160), (10, 122842528), (16, 76776580), (20, 61421264), (32, 38388290), (40, 30710632), (64, 19194145), (80, 15355316), (127, 9672640), (160, 7677658), (167, 7355840), (181, 6786880), (254, 4836320), (320, 3838829), (334, 3677920), (362, 3393440), (508, 2418160), (635, 1934528), (668, 1838960), (724, 1696720), (835, 1471168), (905, 1357376), (1016, 1209080), (1270, 967264), (1336, 919480), (1448, 848360), (1670, 735584), (1810, 678688), (2032, 604540), (2540, 483632), (2672, 459740), (2896, 424180), (3340, 367792), (3620, 339344), (4064, 302270), (5080, 241816), (5344, 229870), (5792, 212090), (6680, 183896), (7240, 169672), (8128, 151135), (10160, 120908), (10688, 114935), (11584, 106045), (13360, 91948), (14480, 84836), (20320, 60454), (21209, 57920), (22987, 53440), (26720, 45974), (28960, 42418), (30227, 40640)]