278878880

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{151}}^1$

素因数の和:287

約数の個数: 192

約数和(自身を含む): 810819072

約数和(自身を除く): 531940192

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 56, 68, 70, 80, 85, 97, 112, 119, 136, 140, 151, 160, 170, 194, 224, 238, 272, 280, 302, 340, 388, 476, 485, 544, 560, 595, 604, 679, 680, 755, 776, 952, 970, 1057, 1120, 1190, 1208, 1358, 1360, 1510, 1552, 1649, 1904, 1940, 2114, 2380, 2416, 2567, 2716, 2720, 3020, 3104, 3298, 3395, 3808, 3880, 4228, 4760, 4832, 5134, 5285, 5432, 6040, 6596, 6790, 7760, 8245, 8456, 9520, 10268, 10570, 10864, 11543, 12080, 12835, 13192, 13580, 14647, 15520, 16490, 16912, 17969, 19040, 20536, 21140, 21728, 23086, 24160, 25670, 26384, 27160, 29294, 32980, 33824, 35938, 41072, 42280, 46172, 51340, 52768, 54320, 57715, 58588, 65960, 71876, 73235, 82144, 84560, 89845, 92344, 102529, 102680, 108640, 115430, 117176, 131920, 143752, 146470, 169120, 179690, 184688, 205058, 205360, 230860, 234352, 248999, 263840, 287504, 292940, 359380, 369376, 410116, 410720, 461720, 468704, 497998, 512645, 575008, 585880, 718760, 820232, 923440, 995996, 1025290, 1171760, 1244995, 1437520, 1640464, 1742993, 1846880, 1991992, 2050580, 2343520, 2489990, 2875040, 3280928, 3485986, 3983984, 4101160, 4979980, 6971972, 7967968, 8202320, 8714965, 9959960, 13943944, 16404640, 17429930, 19919920, 27887888, 34859860, 39839840, 55775776, 69719720, 139439440, 278878880]

約数ペア:

[(1, 278878880), (2, 139439440), (4, 69719720), (5, 55775776), (7, 39839840), (8, 34859860), (10, 27887888), (14, 19919920), (16, 17429930), (17, 16404640), (20, 13943944), (28, 9959960), (32, 8714965), (34, 8202320), (35, 7967968), (40, 6971972), (56, 4979980), (68, 4101160), (70, 3983984), (80, 3485986), (85, 3280928), (97, 2875040), (112, 2489990), (119, 2343520), (136, 2050580), (140, 1991992), (151, 1846880), (160, 1742993), (170, 1640464), (194, 1437520), (224, 1244995), (238, 1171760), (272, 1025290), (280, 995996), (302, 923440), (340, 820232), (388, 718760), (476, 585880), (485, 575008), (544, 512645), (560, 497998), (595, 468704), (604, 461720), (679, 410720), (680, 410116), (755, 369376), (776, 359380), (952, 292940), (970, 287504), (1057, 263840), (1120, 248999), (1190, 234352), (1208, 230860), (1358, 205360), (1360, 205058), (1510, 184688), (1552, 179690), (1649, 169120), (1904, 146470), (1940, 143752), (2114, 131920), (2380, 117176), (2416, 115430), (2567, 108640), (2716, 102680), (2720, 102529), (3020, 92344), (3104, 89845), (3298, 84560), (3395, 82144), (3808, 73235), (3880, 71876), (4228, 65960), (4760, 58588), (4832, 57715), (5134, 54320), (5285, 52768), (5432, 51340), (6040, 46172), (6596, 42280), (6790, 41072), (7760, 35938), (8245, 33824), (8456, 32980), (9520, 29294), (10268, 27160), (10570, 26384), (10864, 25670), (11543, 24160), (12080, 23086), (12835, 21728), (13192, 21140), (13580, 20536), (14647, 19040), (15520, 17969), (16490, 16912)]