318080160

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{220889}}^1$

素因数の和:220910

約数の個数: 72

約数和(自身を含む): 1085453460

約数和(自身を除く): 767373300

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 220889, 441778, 662667, 883556, 1104445, 1325334, 1767112, 1988001, 2208890, 2650668, 3313335, 3534224, 3976002, 4417780, 5301336, 6626670, 7068448, 7952004, 8835560, 9940005, 10602672, 13253340, 15904008, 17671120, 19880010, 21205344, 26506680, 31808016, 35342240, 39760020, 53013360, 63616032, 79520040, 106026720, 159040080, 318080160]

約数ペア:

[(1, 318080160), (2, 159040080), (3, 106026720), (4, 79520040), (5, 63616032), (6, 53013360), (8, 39760020), (9, 35342240), (10, 31808016), (12, 26506680), (15, 21205344), (16, 19880010), (18, 17671120), (20, 15904008), (24, 13253340), (30, 10602672), (32, 9940005), (36, 8835560), (40, 7952004), (45, 7068448), (48, 6626670), (60, 5301336), (72, 4417780), (80, 3976002), (90, 3534224), (96, 3313335), (120, 2650668), (144, 2208890), (160, 1988001), (180, 1767112), (240, 1325334), (288, 1104445), (360, 883556), (480, 662667), (720, 441778), (1440, 220889)]