172384720

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^2\times {\mathrm{47}}^1\times {\mathrm{127}}^1$

素因数の和:225

約数の個数: 120

約数和(自身を含む): 435400704

約数和(自身を除く): 263015984

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 47, 76, 80, 94, 95, 127, 152, 188, 190, 235, 254, 304, 361, 376, 380, 470, 508, 635, 722, 752, 760, 893, 940, 1016, 1270, 1444, 1520, 1786, 1805, 1880, 2032, 2413, 2540, 2888, 3572, 3610, 3760, 4465, 4826, 5080, 5776, 5969, 7144, 7220, 8930, 9652, 10160, 11938, 12065, 14288, 14440, 16967, 17860, 19304, 23876, 24130, 28880, 29845, 33934, 35720, 38608, 45847, 47752, 48260, 59690, 67868, 71440, 84835, 91694, 95504, 96520, 113411, 119380, 135736, 169670, 183388, 193040, 226822, 229235, 238760, 271472, 339340, 366776, 453644, 458470, 477520, 567055, 678680, 733552, 907288, 916940, 1134110, 1357360, 1814576, 1833880, 2154809, 2268220, 3667760, 4309618, 4536440, 8619236, 9072880, 10774045, 17238472, 21548090, 34476944, 43096180, 86192360, 172384720]

約数ペア:

[(1, 172384720), (2, 86192360), (4, 43096180), (5, 34476944), (8, 21548090), (10, 17238472), (16, 10774045), (19, 9072880), (20, 8619236), (38, 4536440), (40, 4309618), (47, 3667760), (76, 2268220), (80, 2154809), (94, 1833880), (95, 1814576), (127, 1357360), (152, 1134110), (188, 916940), (190, 907288), (235, 733552), (254, 678680), (304, 567055), (361, 477520), (376, 458470), (380, 453644), (470, 366776), (508, 339340), (635, 271472), (722, 238760), (752, 229235), (760, 226822), (893, 193040), (940, 183388), (1016, 169670), (1270, 135736), (1444, 119380), (1520, 113411), (1786, 96520), (1805, 95504), (1880, 91694), (2032, 84835), (2413, 71440), (2540, 67868), (2888, 59690), (3572, 48260), (3610, 47752), (3760, 45847), (4465, 38608), (4826, 35720), (5080, 33934), (5776, 29845), (5969, 28880), (7144, 24130), (7220, 23876), (8930, 19304), (9652, 17860), (10160, 16967), (11938, 14440), (12065, 14288)]