31858680

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1$

素因数の和:158

約数の個数: 256

約数和(自身を含む): 121927680

約数和(自身を除く): 90069000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 17, 20, 21, 23, 24, 28, 30, 34, 35, 40, 42, 46, 51, 56, 60, 68, 69, 70, 84, 85, 92, 97, 102, 105, 115, 119, 120, 136, 138, 140, 161, 168, 170, 184, 194, 204, 210, 230, 238, 255, 276, 280, 291, 322, 340, 345, 357, 388, 391, 408, 420, 460, 476, 483, 485, 510, 552, 582, 595, 644, 679, 680, 690, 714, 776, 782, 805, 840, 920, 952, 966, 970, 1020, 1164, 1173, 1190, 1288, 1358, 1380, 1428, 1455, 1564, 1610, 1649, 1785, 1932, 1940, 1955, 2037, 2040, 2231, 2328, 2346, 2380, 2415, 2716, 2737, 2760, 2856, 2910, 3128, 3220, 3298, 3395, 3570, 3864, 3880, 3910, 4074, 4462, 4692, 4760, 4830, 4947, 5432, 5474, 5820, 5865, 6440, 6596, 6693, 6790, 7140, 7820, 8148, 8211, 8245, 8924, 9384, 9660, 9894, 10185, 10948, 11155, 11543, 11640, 11730, 13192, 13386, 13580, 13685, 14280, 15617, 15640, 16296, 16422, 16490, 17848, 19320, 19788, 20370, 21896, 22310, 23086, 23460, 24735, 26772, 27160, 27370, 31234, 32844, 32980, 33465, 34629, 37927, 39576, 40740, 41055, 44620, 46172, 46851, 46920, 49470, 53544, 54740, 57715, 62468, 65688, 65960, 66930, 69258, 75854, 78085, 81480, 82110, 89240, 92344, 93702, 98940, 109480, 113781, 115430, 124936, 133860, 138516, 151708, 156170, 164220, 173145, 187404, 189635, 197880, 227562, 230860, 234255, 265489, 267720, 277032, 303416, 312340, 328440, 346290, 374808, 379270, 455124, 461720, 468510, 530978, 568905, 624680, 692580, 758540, 796467, 910248, 937020, 1061956, 1137810, 1327445, 1385160, 1517080, 1592934, 1874040, 2123912, 2275620, 2654890, 3185868, 3982335, 4551240, 5309780, 6371736, 7964670, 10619560, 15929340, 31858680]

約数ペア:

[(1, 31858680), (2, 15929340), (3, 10619560), (4, 7964670), (5, 6371736), (6, 5309780), (7, 4551240), (8, 3982335), (10, 3185868), (12, 2654890), (14, 2275620), (15, 2123912), (17, 1874040), (20, 1592934), (21, 1517080), (23, 1385160), (24, 1327445), (28, 1137810), (30, 1061956), (34, 937020), (35, 910248), (40, 796467), (42, 758540), (46, 692580), (51, 624680), (56, 568905), (60, 530978), (68, 468510), (69, 461720), (70, 455124), (84, 379270), (85, 374808), (92, 346290), (97, 328440), (102, 312340), (105, 303416), (115, 277032), (119, 267720), (120, 265489), (136, 234255), (138, 230860), (140, 227562), (161, 197880), (168, 189635), (170, 187404), (184, 173145), (194, 164220), (204, 156170), (210, 151708), (230, 138516), (238, 133860), (255, 124936), (276, 115430), (280, 113781), (291, 109480), (322, 98940), (340, 93702), (345, 92344), (357, 89240), (388, 82110), (391, 81480), (408, 78085), (420, 75854), (460, 69258), (476, 66930), (483, 65960), (485, 65688), (510, 62468), (552, 57715), (582, 54740), (595, 53544), (644, 49470), (679, 46920), (680, 46851), (690, 46172), (714, 44620), (776, 41055), (782, 40740), (805, 39576), (840, 37927), (920, 34629), (952, 33465), (966, 32980), (970, 32844), (1020, 31234), (1164, 27370), (1173, 27160), (1190, 26772), (1288, 24735), (1358, 23460), (1380, 23086), (1428, 22310), (1455, 21896), (1564, 20370), (1610, 19788), (1649, 19320), (1785, 17848), (1932, 16490), (1940, 16422), (1955, 16296), (2037, 15640), (2040, 15617), (2231, 14280), (2328, 13685), (2346, 13580), (2380, 13386), (2415, 13192), (2716, 11730), (2737, 11640), (2760, 11543), (2856, 11155), (2910, 10948), (3128, 10185), (3220, 9894), (3298, 9660), (3395, 9384), (3570, 8924), (3864, 8245), (3880, 8211), (3910, 8148), (4074, 7820), (4462, 7140), (4692, 6790), (4760, 6693), (4830, 6596), (4947, 6440), (5432, 5865), (5474, 5820)]