320430440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{38329}}^1$

素因数の和:38370

約数の個数: 64

約数和(自身を含む): 827928000

約数和(自身を除く): 507497560

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 44, 55, 76, 88, 95, 110, 152, 190, 209, 220, 380, 418, 440, 760, 836, 1045, 1672, 2090, 4180, 8360, 38329, 76658, 153316, 191645, 306632, 383290, 421619, 728251, 766580, 843238, 1456502, 1533160, 1686476, 2108095, 2913004, 3372952, 3641255, 4216190, 5826008, 7282510, 8010761, 8432380, 14565020, 16021522, 16864760, 29130040, 32043044, 40053805, 64086088, 80107610, 160215220, 320430440]

約数ペア:

[(1, 320430440), (2, 160215220), (4, 80107610), (5, 64086088), (8, 40053805), (10, 32043044), (11, 29130040), (19, 16864760), (20, 16021522), (22, 14565020), (38, 8432380), (40, 8010761), (44, 7282510), (55, 5826008), (76, 4216190), (88, 3641255), (95, 3372952), (110, 2913004), (152, 2108095), (190, 1686476), (209, 1533160), (220, 1456502), (380, 843238), (418, 766580), (440, 728251), (760, 421619), (836, 383290), (1045, 306632), (1672, 191645), (2090, 153316), (4180, 76658), (8360, 38329)]