820802760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{67723}}^1$

素因数の和:67838

約数の個数: 64

約数和(自身を含む): 2486825280

約数和(自身を除く): 1666022520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 101, 120, 202, 303, 404, 505, 606, 808, 1010, 1212, 1515, 2020, 2424, 3030, 4040, 6060, 12120, 67723, 135446, 203169, 270892, 338615, 406338, 541784, 677230, 812676, 1015845, 1354460, 1625352, 2031690, 2708920, 4063380, 6840023, 8126760, 13680046, 20520069, 27360092, 34200115, 41040138, 54720184, 68400230, 82080276, 102600345, 136800460, 164160552, 205200690, 273600920, 410401380, 820802760]

約数ペア:

[(1, 820802760), (2, 410401380), (3, 273600920), (4, 205200690), (5, 164160552), (6, 136800460), (8, 102600345), (10, 82080276), (12, 68400230), (15, 54720184), (20, 41040138), (24, 34200115), (30, 27360092), (40, 20520069), (60, 13680046), (101, 8126760), (120, 6840023), (202, 4063380), (303, 2708920), (404, 2031690), (505, 1625352), (606, 1354460), (808, 1015845), (1010, 812676), (1212, 677230), (1515, 541784), (2020, 406338), (2424, 338615), (3030, 270892), (4040, 203169), (6060, 135446), (12120, 67723)]