217720080

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{4259}}^1$

素因数の和:4349

約数の個数: 120

約数和(自身を含む): 741648960

約数和(自身を除く): 523928880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 71, 72, 80, 90, 120, 142, 144, 180, 213, 240, 284, 355, 360, 426, 568, 639, 710, 720, 852, 1065, 1136, 1278, 1420, 1704, 2130, 2556, 2840, 3195, 3408, 4259, 4260, 5112, 5680, 6390, 8518, 8520, 10224, 12777, 12780, 17036, 17040, 21295, 25554, 25560, 34072, 38331, 42590, 51108, 51120, 63885, 68144, 76662, 85180, 102216, 127770, 153324, 170360, 191655, 204432, 255540, 302389, 306648, 340720, 383310, 511080, 604778, 613296, 766620, 907167, 1022160, 1209556, 1511945, 1533240, 1814334, 2419112, 2721501, 3023890, 3066480, 3628668, 4535835, 4838224, 5443002, 6047780, 7257336, 9071670, 10886004, 12095560, 13607505, 14514672, 18143340, 21772008, 24191120, 27215010, 36286680, 43544016, 54430020, 72573360, 108860040, 217720080]

約数ペア:

[(1, 217720080), (2, 108860040), (3, 72573360), (4, 54430020), (5, 43544016), (6, 36286680), (8, 27215010), (9, 24191120), (10, 21772008), (12, 18143340), (15, 14514672), (16, 13607505), (18, 12095560), (20, 10886004), (24, 9071670), (30, 7257336), (36, 6047780), (40, 5443002), (45, 4838224), (48, 4535835), (60, 3628668), (71, 3066480), (72, 3023890), (80, 2721501), (90, 2419112), (120, 1814334), (142, 1533240), (144, 1511945), (180, 1209556), (213, 1022160), (240, 907167), (284, 766620), (355, 613296), (360, 604778), (426, 511080), (568, 383310), (639, 340720), (710, 306648), (720, 302389), (852, 255540), (1065, 204432), (1136, 191655), (1278, 170360), (1420, 153324), (1704, 127770), (2130, 102216), (2556, 85180), (2840, 76662), (3195, 68144), (3408, 63885), (4259, 51120), (4260, 51108), (5112, 42590), (5680, 38331), (6390, 34072), (8518, 25560), (8520, 25554), (10224, 21295), (12777, 17040), (12780, 17036)]