1566453880

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{919}}^1\times {\mathrm{991}}^1$

素因数の和:1964

約数の個数: 64

約数和(自身を含む): 3614054400

約数和(自身を除く): 2047600520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 919, 991, 1720, 1838, 1982, 3676, 3964, 4595, 4955, 7352, 7928, 9190, 9910, 18380, 19820, 36760, 39517, 39640, 42613, 79034, 85226, 158068, 170452, 197585, 213065, 316136, 340904, 395170, 426130, 790340, 852260, 910729, 1580680, 1704520, 1821458, 3642916, 4553645, 7285832, 9107290, 18214580, 36429160, 39161347, 78322694, 156645388, 195806735, 313290776, 391613470, 783226940, 1566453880]

約数ペア:

[(1, 1566453880), (2, 783226940), (4, 391613470), (5, 313290776), (8, 195806735), (10, 156645388), (20, 78322694), (40, 39161347), (43, 36429160), (86, 18214580), (172, 9107290), (215, 7285832), (344, 4553645), (430, 3642916), (860, 1821458), (919, 1704520), (991, 1580680), (1720, 910729), (1838, 852260), (1982, 790340), (3676, 426130), (3964, 395170), (4595, 340904), (4955, 316136), (7352, 213065), (7928, 197585), (9190, 170452), (9910, 158068), (18380, 85226), (19820, 79034), (36760, 42613), (39517, 39640)]