123928640

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1$

素因数の和:173

約数の個数: 224

約数和(自身を含む): 362102400

約数和(自身を除く): 238173760

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 19, 20, 22, 32, 34, 38, 40, 44, 55, 64, 68, 76, 80, 85, 88, 95, 109, 110, 136, 152, 160, 170, 176, 187, 190, 209, 218, 220, 272, 304, 320, 323, 340, 352, 374, 380, 418, 436, 440, 544, 545, 608, 646, 680, 704, 748, 760, 836, 872, 880, 935, 1045, 1088, 1090, 1199, 1216, 1292, 1360, 1496, 1520, 1615, 1672, 1744, 1760, 1853, 1870, 2071, 2090, 2180, 2398, 2584, 2720, 2992, 3040, 3230, 3344, 3488, 3520, 3553, 3706, 3740, 4142, 4180, 4360, 4796, 5168, 5440, 5984, 5995, 6080, 6460, 6688, 6976, 7106, 7412, 7480, 8284, 8360, 8720, 9265, 9592, 10336, 10355, 11968, 11990, 12920, 13376, 14212, 14824, 14960, 16568, 16720, 17440, 17765, 18530, 19184, 20383, 20672, 20710, 22781, 23980, 25840, 28424, 29648, 29920, 33136, 33440, 34880, 35207, 35530, 37060, 38368, 40766, 41420, 45562, 47960, 51680, 56848, 59296, 59840, 66272, 66880, 70414, 71060, 74120, 76736, 81532, 82840, 91124, 95920, 101915, 103360, 113696, 113905, 118592, 132544, 140828, 142120, 148240, 163064, 165680, 176035, 182248, 191840, 203830, 227392, 227810, 281656, 284240, 296480, 326128, 331360, 352070, 364496, 383680, 387277, 407660, 455620, 563312, 568480, 592960, 652256, 662720, 704140, 728992, 774554, 815320, 911240, 1126624, 1136960, 1304512, 1408280, 1457984, 1549108, 1630640, 1822480, 1936385, 2253248, 2816560, 3098216, 3261280, 3644960, 3872770, 5633120, 6196432, 6522560, 7289920, 7745540, 11266240, 12392864, 15491080, 24785728, 30982160, 61964320, 123928640]

約数ペア:

[(1, 123928640), (2, 61964320), (4, 30982160), (5, 24785728), (8, 15491080), (10, 12392864), (11, 11266240), (16, 7745540), (17, 7289920), (19, 6522560), (20, 6196432), (22, 5633120), (32, 3872770), (34, 3644960), (38, 3261280), (40, 3098216), (44, 2816560), (55, 2253248), (64, 1936385), (68, 1822480), (76, 1630640), (80, 1549108), (85, 1457984), (88, 1408280), (95, 1304512), (109, 1136960), (110, 1126624), (136, 911240), (152, 815320), (160, 774554), (170, 728992), (176, 704140), (187, 662720), (190, 652256), (209, 592960), (218, 568480), (220, 563312), (272, 455620), (304, 407660), (320, 387277), (323, 383680), (340, 364496), (352, 352070), (374, 331360), (380, 326128), (418, 296480), (436, 284240), (440, 281656), (544, 227810), (545, 227392), (608, 203830), (646, 191840), (680, 182248), (704, 176035), (748, 165680), (760, 163064), (836, 148240), (872, 142120), (880, 140828), (935, 132544), (1045, 118592), (1088, 113905), (1090, 113696), (1199, 103360), (1216, 101915), (1292, 95920), (1360, 91124), (1496, 82840), (1520, 81532), (1615, 76736), (1672, 74120), (1744, 71060), (1760, 70414), (1853, 66880), (1870, 66272), (2071, 59840), (2090, 59296), (2180, 56848), (2398, 51680), (2584, 47960), (2720, 45562), (2992, 41420), (3040, 40766), (3230, 38368), (3344, 37060), (3488, 35530), (3520, 35207), (3553, 34880), (3706, 33440), (3740, 33136), (4142, 29920), (4180, 29648), (4360, 28424), (4796, 25840), (5168, 23980), (5440, 22781), (5984, 20710), (5995, 20672), (6080, 20383), (6460, 19184), (6688, 18530), (6976, 17765), (7106, 17440), (7412, 16720), (7480, 16568), (8284, 14960), (8360, 14824), (8720, 14212), (9265, 13376), (9592, 12920), (10336, 11990), (10355, 11968)]