23152920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{641}}^1$

素因数の和:705

約数の個数: 128

約数和(自身を含む): 81354240

約数和(自身を除く): 58201320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 43, 56, 60, 70, 84, 86, 105, 120, 129, 140, 168, 172, 210, 215, 258, 280, 301, 344, 420, 430, 516, 602, 641, 645, 840, 860, 903, 1032, 1204, 1282, 1290, 1505, 1720, 1806, 1923, 2408, 2564, 2580, 3010, 3205, 3612, 3846, 4487, 4515, 5128, 5160, 6020, 6410, 7224, 7692, 8974, 9030, 9615, 12040, 12820, 13461, 15384, 17948, 18060, 19230, 22435, 25640, 26922, 27563, 35896, 36120, 38460, 44870, 53844, 55126, 67305, 76920, 82689, 89740, 107688, 110252, 134610, 137815, 165378, 179480, 192941, 220504, 269220, 275630, 330756, 385882, 413445, 538440, 551260, 578823, 661512, 771764, 826890, 964705, 1102520, 1157646, 1543528, 1653780, 1929410, 2315292, 2894115, 3307560, 3858820, 4630584, 5788230, 7717640, 11576460, 23152920]

約数ペア:

[(1, 23152920), (2, 11576460), (3, 7717640), (4, 5788230), (5, 4630584), (6, 3858820), (7, 3307560), (8, 2894115), (10, 2315292), (12, 1929410), (14, 1653780), (15, 1543528), (20, 1157646), (21, 1102520), (24, 964705), (28, 826890), (30, 771764), (35, 661512), (40, 578823), (42, 551260), (43, 538440), (56, 413445), (60, 385882), (70, 330756), (84, 275630), (86, 269220), (105, 220504), (120, 192941), (129, 179480), (140, 165378), (168, 137815), (172, 134610), (210, 110252), (215, 107688), (258, 89740), (280, 82689), (301, 76920), (344, 67305), (420, 55126), (430, 53844), (516, 44870), (602, 38460), (641, 36120), (645, 35896), (840, 27563), (860, 26922), (903, 25640), (1032, 22435), (1204, 19230), (1282, 18060), (1290, 17948), (1505, 15384), (1720, 13461), (1806, 12820), (1923, 12040), (2408, 9615), (2564, 9030), (2580, 8974), (3010, 7692), (3205, 7224), (3612, 6410), (3846, 6020), (4487, 5160), (4515, 5128)]