64576640

素因数分解:

$2^7\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1$

素因数の和:190

約数の個数: 128

約数和(自身を含む): 166561920

約数和(自身を除く): 101985280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 41, 46, 64, 80, 82, 92, 107, 115, 128, 160, 164, 184, 205, 214, 230, 320, 328, 368, 410, 428, 460, 535, 640, 656, 736, 820, 856, 920, 943, 1070, 1312, 1472, 1640, 1712, 1840, 1886, 2140, 2461, 2624, 2944, 3280, 3424, 3680, 3772, 4280, 4387, 4715, 4922, 5248, 6560, 6848, 7360, 7544, 8560, 8774, 9430, 9844, 12305, 13120, 13696, 14720, 15088, 17120, 17548, 18860, 19688, 21935, 24610, 26240, 30176, 34240, 35096, 37720, 39376, 43870, 49220, 60352, 68480, 70192, 75440, 78752, 87740, 98440, 100901, 120704, 140384, 150880, 157504, 175480, 196880, 201802, 280768, 301760, 315008, 350960, 393760, 403604, 504505, 561536, 603520, 701920, 787520, 807208, 1009010, 1403840, 1575040, 1614416, 2018020, 2807680, 3228832, 4036040, 6457664, 8072080, 12915328, 16144160, 32288320, 64576640]

約数ペア:

[(1, 64576640), (2, 32288320), (4, 16144160), (5, 12915328), (8, 8072080), (10, 6457664), (16, 4036040), (20, 3228832), (23, 2807680), (32, 2018020), (40, 1614416), (41, 1575040), (46, 1403840), (64, 1009010), (80, 807208), (82, 787520), (92, 701920), (107, 603520), (115, 561536), (128, 504505), (160, 403604), (164, 393760), (184, 350960), (205, 315008), (214, 301760), (230, 280768), (320, 201802), (328, 196880), (368, 175480), (410, 157504), (428, 150880), (460, 140384), (535, 120704), (640, 100901), (656, 98440), (736, 87740), (820, 78752), (856, 75440), (920, 70192), (943, 68480), (1070, 60352), (1312, 49220), (1472, 43870), (1640, 39376), (1712, 37720), (1840, 35096), (1886, 34240), (2140, 30176), (2461, 26240), (2624, 24610), (2944, 21935), (3280, 19688), (3424, 18860), (3680, 17548), (3772, 17120), (4280, 15088), (4387, 14720), (4715, 13696), (4922, 13120), (5248, 12305), (6560, 9844), (6848, 9430), (7360, 8774), (7544, 8560)]