72266920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{193}}^1$

素因数の和:275

約数の個数: 128

約数和(自身を含む): 191082240

約数和(自身を除く): 118815320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 37, 40, 44, 46, 55, 74, 88, 92, 110, 115, 148, 184, 185, 193, 220, 230, 253, 296, 370, 386, 407, 440, 460, 506, 740, 772, 814, 851, 920, 965, 1012, 1265, 1480, 1544, 1628, 1702, 1930, 2024, 2035, 2123, 2530, 3256, 3404, 3860, 4070, 4246, 4255, 4439, 5060, 6808, 7141, 7720, 8140, 8492, 8510, 8878, 9361, 10120, 10615, 14282, 16280, 16984, 17020, 17756, 18722, 21230, 22195, 28564, 34040, 35512, 35705, 37444, 42460, 44390, 46805, 48829, 57128, 71410, 74888, 78551, 84920, 88780, 93610, 97658, 142820, 157102, 164243, 177560, 187220, 195316, 244145, 285640, 314204, 328486, 374440, 390632, 392755, 488290, 628408, 656972, 785510, 821215, 976580, 1313944, 1571020, 1642430, 1806673, 1953160, 3142040, 3284860, 3613346, 6569720, 7226692, 9033365, 14453384, 18066730, 36133460, 72266920]

約数ペア:

[(1, 72266920), (2, 36133460), (4, 18066730), (5, 14453384), (8, 9033365), (10, 7226692), (11, 6569720), (20, 3613346), (22, 3284860), (23, 3142040), (37, 1953160), (40, 1806673), (44, 1642430), (46, 1571020), (55, 1313944), (74, 976580), (88, 821215), (92, 785510), (110, 656972), (115, 628408), (148, 488290), (184, 392755), (185, 390632), (193, 374440), (220, 328486), (230, 314204), (253, 285640), (296, 244145), (370, 195316), (386, 187220), (407, 177560), (440, 164243), (460, 157102), (506, 142820), (740, 97658), (772, 93610), (814, 88780), (851, 84920), (920, 78551), (965, 74888), (1012, 71410), (1265, 57128), (1480, 48829), (1544, 46805), (1628, 44390), (1702, 42460), (1930, 37444), (2024, 35705), (2035, 35512), (2123, 34040), (2530, 28564), (3256, 22195), (3404, 21230), (3860, 18722), (4070, 17756), (4246, 17020), (4255, 16984), (4439, 16280), (5060, 14282), (6808, 10615), (7141, 10120), (7720, 9361), (8140, 8878), (8492, 8510)]