256549680

素因数分解:

$2^4\times 3^6\times 5^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1$

素因数の和:167

約数の個数: 280

約数和(自身を含む): 922159728

約数和(自身を除く): 665610048

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 53, 54, 60, 72, 80, 81, 83, 90, 106, 108, 120, 135, 144, 159, 162, 166, 180, 212, 216, 240, 243, 249, 265, 270, 318, 324, 332, 360, 405, 415, 424, 432, 477, 486, 498, 530, 540, 636, 648, 664, 720, 729, 747, 795, 810, 830, 848, 954, 972, 996, 1060, 1080, 1215, 1245, 1272, 1296, 1328, 1431, 1458, 1494, 1590, 1620, 1660, 1908, 1944, 1992, 2120, 2160, 2241, 2385, 2430, 2490, 2544, 2862, 2916, 2988, 3180, 3240, 3320, 3645, 3735, 3816, 3888, 3984, 4240, 4293, 4399, 4482, 4770, 4860, 4980, 5724, 5832, 5976, 6360, 6480, 6640, 6723, 7155, 7290, 7470, 7632, 8586, 8798, 8964, 9540, 9720, 9960, 11205, 11448, 11664, 11952, 12720, 12879, 13197, 13446, 14310, 14580, 14940, 17172, 17596, 17928, 19080, 19440, 19920, 20169, 21465, 21995, 22410, 22896, 25758, 26394, 26892, 28620, 29160, 29880, 33615, 34344, 35192, 35856, 38160, 38637, 39591, 40338, 42930, 43990, 44820, 51516, 52788, 53784, 57240, 58320, 59760, 60507, 64395, 65985, 67230, 68688, 70384, 77274, 79182, 80676, 85860, 87980, 89640, 100845, 103032, 105576, 107568, 114480, 118773, 121014, 128790, 131970, 134460, 154548, 158364, 161352, 171720, 175960, 179280, 193185, 197955, 201690, 206064, 211152, 237546, 242028, 257580, 263940, 268920, 302535, 309096, 316728, 322704, 343440, 351920, 356319, 386370, 395910, 403380, 475092, 484056, 515160, 527880, 537840, 593865, 605070, 618192, 633456, 712638, 772740, 791820, 806760, 950184, 968112, 1030320, 1055760, 1068957, 1187730, 1210140, 1425276, 1545480, 1583640, 1613520, 1781595, 1900368, 2137914, 2375460, 2420280, 2850552, 3090960, 3167280, 3206871, 3563190, 4275828, 4750920, 4840560, 5344785, 5701104, 6413742, 7126380, 8551656, 9501840, 10689570, 12827484, 14252760, 16034355, 17103312, 21379140, 25654968, 28505520, 32068710, 42758280, 51309936, 64137420, 85516560, 128274840, 256549680]

約数ペア:

[(1, 256549680), (2, 128274840), (3, 85516560), (4, 64137420), (5, 51309936), (6, 42758280), (8, 32068710), (9, 28505520), (10, 25654968), (12, 21379140), (15, 17103312), (16, 16034355), (18, 14252760), (20, 12827484), (24, 10689570), (27, 9501840), (30, 8551656), (36, 7126380), (40, 6413742), (45, 5701104), (48, 5344785), (53, 4840560), (54, 4750920), (60, 4275828), (72, 3563190), (80, 3206871), (81, 3167280), (83, 3090960), (90, 2850552), (106, 2420280), (108, 2375460), (120, 2137914), (135, 1900368), (144, 1781595), (159, 1613520), (162, 1583640), (166, 1545480), (180, 1425276), (212, 1210140), (216, 1187730), (240, 1068957), (243, 1055760), (249, 1030320), (265, 968112), (270, 950184), (318, 806760), (324, 791820), (332, 772740), (360, 712638), (405, 633456), (415, 618192), (424, 605070), (432, 593865), (477, 537840), (486, 527880), (498, 515160), (530, 484056), (540, 475092), (636, 403380), (648, 395910), (664, 386370), (720, 356319), (729, 351920), (747, 343440), (795, 322704), (810, 316728), (830, 309096), (848, 302535), (954, 268920), (972, 263940), (996, 257580), (1060, 242028), (1080, 237546), (1215, 211152), (1245, 206064), (1272, 201690), (1296, 197955), (1328, 193185), (1431, 179280), (1458, 175960), (1494, 171720), (1590, 161352), (1620, 158364), (1660, 154548), (1908, 134460), (1944, 131970), (1992, 128790), (2120, 121014), (2160, 118773), (2241, 114480), (2385, 107568), (2430, 105576), (2490, 103032), (2544, 100845), (2862, 89640), (2916, 87980), (2988, 85860), (3180, 80676), (3240, 79182), (3320, 77274), (3645, 70384), (3735, 68688), (3816, 67230), (3888, 65985), (3984, 64395), (4240, 60507), (4293, 59760), (4399, 58320), (4482, 57240), (4770, 53784), (4860, 52788), (4980, 51516), (5724, 44820), (5832, 43990), (5976, 42930), (6360, 40338), (6480, 39591), (6640, 38637), (6723, 38160), (7155, 35856), (7290, 35192), (7470, 34344), (7632, 33615), (8586, 29880), (8798, 29160), (8964, 28620), (9540, 26892), (9720, 26394), (9960, 25758), (11205, 22896), (11448, 22410), (11664, 21995), (11952, 21465), (12720, 20169), (12879, 19920), (13197, 19440), (13446, 19080), (14310, 17928), (14580, 17596), (14940, 17172)]