207779440

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1$

素因数の和:120

約数の個数: 240

約数和(自身を含む): 602997120

約数和(自身を除く): 395217680

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 19, 20, 22, 34, 38, 40, 43, 44, 55, 68, 76, 80, 85, 86, 88, 95, 110, 136, 152, 170, 172, 176, 187, 190, 209, 215, 220, 272, 289, 304, 323, 340, 344, 374, 380, 418, 430, 440, 473, 578, 646, 680, 688, 731, 748, 760, 817, 836, 860, 880, 935, 946, 1045, 1156, 1292, 1360, 1445, 1462, 1496, 1520, 1615, 1634, 1672, 1720, 1870, 1892, 2090, 2312, 2365, 2584, 2890, 2924, 2992, 3179, 3230, 3268, 3344, 3440, 3553, 3655, 3740, 3784, 4085, 4180, 4624, 4730, 5168, 5491, 5780, 5848, 6358, 6460, 6536, 7106, 7310, 7480, 7568, 8041, 8170, 8360, 8987, 9460, 10982, 11560, 11696, 12427, 12716, 12920, 13072, 13889, 14212, 14620, 14960, 15895, 16082, 16340, 16720, 17765, 17974, 18920, 21964, 23120, 24854, 25432, 25840, 27455, 27778, 28424, 29240, 31790, 32164, 32680, 35530, 35948, 37840, 40205, 43928, 44935, 49708, 50864, 54910, 55556, 56848, 58480, 60401, 62135, 63580, 64328, 65360, 69445, 71060, 71896, 80410, 87856, 89870, 99416, 109820, 111112, 120802, 124270, 127160, 128656, 136697, 138890, 142120, 143792, 152779, 160820, 179740, 198832, 219640, 222224, 236113, 241604, 248540, 254320, 273394, 277780, 284240, 302005, 305558, 321640, 359480, 439280, 472226, 483208, 497080, 546788, 555560, 604010, 611116, 643280, 683485, 718960, 763895, 944452, 966416, 994160, 1093576, 1111120, 1180565, 1208020, 1222232, 1366970, 1527790, 1888904, 2187152, 2361130, 2416040, 2444464, 2597243, 2733940, 3055580, 3777808, 4722260, 4832080, 5194486, 5467880, 6111160, 9444520, 10388972, 10935760, 12222320, 12986215, 18889040, 20777944, 25972430, 41555888, 51944860, 103889720, 207779440]

約数ペア:

[(1, 207779440), (2, 103889720), (4, 51944860), (5, 41555888), (8, 25972430), (10, 20777944), (11, 18889040), (16, 12986215), (17, 12222320), (19, 10935760), (20, 10388972), (22, 9444520), (34, 6111160), (38, 5467880), (40, 5194486), (43, 4832080), (44, 4722260), (55, 3777808), (68, 3055580), (76, 2733940), (80, 2597243), (85, 2444464), (86, 2416040), (88, 2361130), (95, 2187152), (110, 1888904), (136, 1527790), (152, 1366970), (170, 1222232), (172, 1208020), (176, 1180565), (187, 1111120), (190, 1093576), (209, 994160), (215, 966416), (220, 944452), (272, 763895), (289, 718960), (304, 683485), (323, 643280), (340, 611116), (344, 604010), (374, 555560), (380, 546788), (418, 497080), (430, 483208), (440, 472226), (473, 439280), (578, 359480), (646, 321640), (680, 305558), (688, 302005), (731, 284240), (748, 277780), (760, 273394), (817, 254320), (836, 248540), (860, 241604), (880, 236113), (935, 222224), (946, 219640), (1045, 198832), (1156, 179740), (1292, 160820), (1360, 152779), (1445, 143792), (1462, 142120), (1496, 138890), (1520, 136697), (1615, 128656), (1634, 127160), (1672, 124270), (1720, 120802), (1870, 111112), (1892, 109820), (2090, 99416), (2312, 89870), (2365, 87856), (2584, 80410), (2890, 71896), (2924, 71060), (2992, 69445), (3179, 65360), (3230, 64328), (3268, 63580), (3344, 62135), (3440, 60401), (3553, 58480), (3655, 56848), (3740, 55556), (3784, 54910), (4085, 50864), (4180, 49708), (4624, 44935), (4730, 43928), (5168, 40205), (5491, 37840), (5780, 35948), (5848, 35530), (6358, 32680), (6460, 32164), (6536, 31790), (7106, 29240), (7310, 28424), (7480, 27778), (7568, 27455), (8041, 25840), (8170, 25432), (8360, 24854), (8987, 23120), (9460, 21964), (10982, 18920), (11560, 17974), (11696, 17765), (12427, 16720), (12716, 16340), (12920, 16082), (13072, 15895), (13889, 14960), (14212, 14620)]