278644080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{353}}^1$

素因数の和:416

約数の個数: 320

約数和(自身を含む): 1061932032

約数和(自身を除く): 783287952

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 13, 15, 16, 20, 22, 23, 24, 26, 30, 33, 39, 40, 44, 46, 48, 52, 55, 60, 65, 66, 69, 78, 80, 88, 92, 104, 110, 115, 120, 130, 132, 138, 143, 156, 165, 176, 184, 195, 208, 220, 230, 240, 253, 260, 264, 276, 286, 299, 312, 330, 345, 353, 368, 390, 429, 440, 460, 506, 520, 528, 552, 572, 598, 624, 660, 690, 706, 715, 759, 780, 858, 880, 897, 920, 1012, 1040, 1059, 1104, 1144, 1196, 1265, 1320, 1380, 1412, 1430, 1495, 1518, 1560, 1716, 1765, 1794, 1840, 2024, 2118, 2145, 2288, 2392, 2530, 2640, 2760, 2824, 2860, 2990, 3036, 3120, 3289, 3432, 3530, 3588, 3795, 3883, 4048, 4236, 4290, 4485, 4589, 4784, 5060, 5295, 5520, 5648, 5720, 5980, 6072, 6578, 6864, 7060, 7176, 7590, 7766, 8119, 8472, 8580, 8970, 9178, 9867, 10120, 10590, 11440, 11649, 11960, 12144, 13156, 13767, 14120, 14352, 15180, 15532, 16238, 16445, 16944, 17160, 17940, 18356, 19415, 19734, 20240, 21180, 22945, 23298, 23920, 24357, 26312, 27534, 28240, 30360, 31064, 32476, 32890, 34320, 35880, 36712, 38830, 39468, 40595, 42360, 45890, 46596, 48714, 49335, 50479, 52624, 55068, 58245, 60720, 62128, 64952, 65780, 68835, 71760, 73424, 77660, 78936, 81190, 84720, 89309, 91780, 93192, 97428, 98670, 100958, 105547, 110136, 116490, 121785, 129904, 131560, 137670, 151437, 155320, 157872, 162380, 178618, 183560, 186384, 194856, 197340, 201916, 211094, 220272, 232980, 243570, 252395, 263120, 267927, 275340, 302874, 310640, 316641, 324760, 357236, 367120, 389712, 394680, 403832, 422188, 446545, 465960, 487140, 504790, 527735, 535854, 550680, 605748, 633282, 649520, 714472, 757185, 789360, 807664, 844376, 893090, 931920, 974280, 1009580, 1055470, 1071708, 1101360, 1161017, 1211496, 1266564, 1339635, 1428944, 1514370, 1583205, 1688752, 1786180, 1948560, 2019160, 2110940, 2143416, 2322034, 2422992, 2533128, 2679270, 3028740, 3166410, 3483051, 3572360, 4038320, 4221880, 4286832, 4644068, 5066256, 5358540, 5805085, 6057480, 6332820, 6966102, 7144720, 8443760, 9288136, 10717080, 11610170, 12114960, 12665640, 13932204, 17415255, 18576272, 21434160, 23220340, 25331280, 27864408, 34830510, 46440680, 55728816, 69661020, 92881360, 139322040, 278644080]

約数ペア:

[(1, 278644080), (2, 139322040), (3, 92881360), (4, 69661020), (5, 55728816), (6, 46440680), (8, 34830510), (10, 27864408), (11, 25331280), (12, 23220340), (13, 21434160), (15, 18576272), (16, 17415255), (20, 13932204), (22, 12665640), (23, 12114960), (24, 11610170), (26, 10717080), (30, 9288136), (33, 8443760), (39, 7144720), (40, 6966102), (44, 6332820), (46, 6057480), (48, 5805085), (52, 5358540), (55, 5066256), (60, 4644068), (65, 4286832), (66, 4221880), (69, 4038320), (78, 3572360), (80, 3483051), (88, 3166410), (92, 3028740), (104, 2679270), (110, 2533128), (115, 2422992), (120, 2322034), (130, 2143416), (132, 2110940), (138, 2019160), (143, 1948560), (156, 1786180), (165, 1688752), (176, 1583205), (184, 1514370), (195, 1428944), (208, 1339635), (220, 1266564), (230, 1211496), (240, 1161017), (253, 1101360), (260, 1071708), (264, 1055470), (276, 1009580), (286, 974280), (299, 931920), (312, 893090), (330, 844376), (345, 807664), (353, 789360), (368, 757185), (390, 714472), (429, 649520), (440, 633282), (460, 605748), (506, 550680), (520, 535854), (528, 527735), (552, 504790), (572, 487140), (598, 465960), (624, 446545), (660, 422188), (690, 403832), (706, 394680), (715, 389712), (759, 367120), (780, 357236), (858, 324760), (880, 316641), (897, 310640), (920, 302874), (1012, 275340), (1040, 267927), (1059, 263120), (1104, 252395), (1144, 243570), (1196, 232980), (1265, 220272), (1320, 211094), (1380, 201916), (1412, 197340), (1430, 194856), (1495, 186384), (1518, 183560), (1560, 178618), (1716, 162380), (1765, 157872), (1794, 155320), (1840, 151437), (2024, 137670), (2118, 131560), (2145, 129904), (2288, 121785), (2392, 116490), (2530, 110136), (2640, 105547), (2760, 100958), (2824, 98670), (2860, 97428), (2990, 93192), (3036, 91780), (3120, 89309), (3289, 84720), (3432, 81190), (3530, 78936), (3588, 77660), (3795, 73424), (3883, 71760), (4048, 68835), (4236, 65780), (4290, 64952), (4485, 62128), (4589, 60720), (4784, 58245), (5060, 55068), (5295, 52624), (5520, 50479), (5648, 49335), (5720, 48714), (5980, 46596), (6072, 45890), (6578, 42360), (6864, 40595), (7060, 39468), (7176, 38830), (7590, 36712), (7766, 35880), (8119, 34320), (8472, 32890), (8580, 32476), (8970, 31064), (9178, 30360), (9867, 28240), (10120, 27534), (10590, 26312), (11440, 24357), (11649, 23920), (11960, 23298), (12144, 22945), (13156, 21180), (13767, 20240), (14120, 19734), (14352, 19415), (15180, 18356), (15532, 17940), (16238, 17160), (16445, 16944)]