311071320

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1789}}^1$

素因数の和:1839

約数の個数: 256

約数和(自身を含む): 1237248000

約数和(自身を除く): 926176680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 23, 24, 27, 28, 30, 35, 36, 40, 42, 45, 46, 54, 56, 60, 63, 69, 70, 72, 84, 90, 92, 105, 108, 115, 120, 126, 135, 138, 140, 161, 168, 180, 184, 189, 207, 210, 216, 230, 252, 270, 276, 280, 315, 322, 345, 360, 378, 414, 420, 460, 483, 504, 540, 552, 621, 630, 644, 690, 756, 805, 828, 840, 920, 945, 966, 1035, 1080, 1242, 1260, 1288, 1380, 1449, 1512, 1610, 1656, 1789, 1890, 1932, 2070, 2415, 2484, 2520, 2760, 2898, 3105, 3220, 3578, 3780, 3864, 4140, 4347, 4830, 4968, 5367, 5796, 6210, 6440, 7156, 7245, 7560, 8280, 8694, 8945, 9660, 10734, 11592, 12420, 12523, 14312, 14490, 16101, 17388, 17890, 19320, 21468, 21735, 24840, 25046, 26835, 28980, 32202, 34776, 35780, 37569, 41147, 42936, 43470, 48303, 50092, 53670, 57960, 62615, 64404, 71560, 75138, 80505, 82294, 86940, 96606, 100184, 107340, 112707, 123441, 125230, 128808, 150276, 161010, 164588, 173880, 187845, 193212, 205735, 214680, 225414, 241515, 246882, 250460, 288029, 300552, 322020, 329176, 338121, 370323, 375690, 386424, 411470, 450828, 483030, 493764, 500920, 563535, 576058, 617205, 644040, 676242, 740646, 751380, 822940, 864087, 901656, 966060, 987528, 1110969, 1127070, 1152116, 1234410, 1352484, 1440145, 1481292, 1502760, 1645880, 1690605, 1728174, 1851615, 1932120, 2221938, 2254140, 2304232, 2468820, 2592261, 2704968, 2880290, 2962584, 3381210, 3456348, 3703230, 4320435, 4443876, 4508280, 4937640, 5184522, 5554845, 5760580, 6762420, 6912696, 7406460, 7776783, 8640870, 8887752, 10369044, 11109690, 11521160, 12961305, 13524840, 14812920, 15553566, 17281740, 20738088, 22219380, 25922610, 31107132, 34563480, 38883915, 44438760, 51845220, 62214264, 77767830, 103690440, 155535660, 311071320]

約数ペア:

[(1, 311071320), (2, 155535660), (3, 103690440), (4, 77767830), (5, 62214264), (6, 51845220), (7, 44438760), (8, 38883915), (9, 34563480), (10, 31107132), (12, 25922610), (14, 22219380), (15, 20738088), (18, 17281740), (20, 15553566), (21, 14812920), (23, 13524840), (24, 12961305), (27, 11521160), (28, 11109690), (30, 10369044), (35, 8887752), (36, 8640870), (40, 7776783), (42, 7406460), (45, 6912696), (46, 6762420), (54, 5760580), (56, 5554845), (60, 5184522), (63, 4937640), (69, 4508280), (70, 4443876), (72, 4320435), (84, 3703230), (90, 3456348), (92, 3381210), (105, 2962584), (108, 2880290), (115, 2704968), (120, 2592261), (126, 2468820), (135, 2304232), (138, 2254140), (140, 2221938), (161, 1932120), (168, 1851615), (180, 1728174), (184, 1690605), (189, 1645880), (207, 1502760), (210, 1481292), (216, 1440145), (230, 1352484), (252, 1234410), (270, 1152116), (276, 1127070), (280, 1110969), (315, 987528), (322, 966060), (345, 901656), (360, 864087), (378, 822940), (414, 751380), (420, 740646), (460, 676242), (483, 644040), (504, 617205), (540, 576058), (552, 563535), (621, 500920), (630, 493764), (644, 483030), (690, 450828), (756, 411470), (805, 386424), (828, 375690), (840, 370323), (920, 338121), (945, 329176), (966, 322020), (1035, 300552), (1080, 288029), (1242, 250460), (1260, 246882), (1288, 241515), (1380, 225414), (1449, 214680), (1512, 205735), (1610, 193212), (1656, 187845), (1789, 173880), (1890, 164588), (1932, 161010), (2070, 150276), (2415, 128808), (2484, 125230), (2520, 123441), (2760, 112707), (2898, 107340), (3105, 100184), (3220, 96606), (3578, 86940), (3780, 82294), (3864, 80505), (4140, 75138), (4347, 71560), (4830, 64404), (4968, 62615), (5367, 57960), (5796, 53670), (6210, 50092), (6440, 48303), (7156, 43470), (7245, 42936), (7560, 41147), (8280, 37569), (8694, 35780), (8945, 34776), (9660, 32202), (10734, 28980), (11592, 26835), (12420, 25046), (12523, 24840), (14312, 21735), (14490, 21468), (16101, 19320), (17388, 17890)]