68660680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{191}}^1$

素因数の和:275

約数の個数: 128

約数和(自身を含む): 182476800

約数和(自身を除く): 113816120

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 43, 44, 55, 76, 86, 88, 95, 110, 152, 172, 190, 191, 209, 215, 220, 344, 380, 382, 418, 430, 440, 473, 760, 764, 817, 836, 860, 946, 955, 1045, 1528, 1634, 1672, 1720, 1892, 1910, 2090, 2101, 2365, 3268, 3629, 3784, 3820, 4085, 4180, 4202, 4730, 6536, 7258, 7640, 8170, 8213, 8360, 8404, 8987, 9460, 10505, 14516, 16340, 16426, 16808, 17974, 18145, 18920, 21010, 29032, 32680, 32852, 35948, 36290, 39919, 41065, 42020, 44935, 65704, 71896, 72580, 79838, 82130, 84040, 89870, 90343, 145160, 156047, 159676, 164260, 179740, 180686, 199595, 312094, 319352, 328520, 359480, 361372, 399190, 451715, 624188, 722744, 780235, 798380, 903430, 1248376, 1560470, 1596760, 1716517, 1806860, 3120940, 3433034, 3613720, 6241880, 6866068, 8582585, 13732136, 17165170, 34330340, 68660680]

約数ペア:

[(1, 68660680), (2, 34330340), (4, 17165170), (5, 13732136), (8, 8582585), (10, 6866068), (11, 6241880), (19, 3613720), (20, 3433034), (22, 3120940), (38, 1806860), (40, 1716517), (43, 1596760), (44, 1560470), (55, 1248376), (76, 903430), (86, 798380), (88, 780235), (95, 722744), (110, 624188), (152, 451715), (172, 399190), (190, 361372), (191, 359480), (209, 328520), (215, 319352), (220, 312094), (344, 199595), (380, 180686), (382, 179740), (418, 164260), (430, 159676), (440, 156047), (473, 145160), (760, 90343), (764, 89870), (817, 84040), (836, 82130), (860, 79838), (946, 72580), (955, 71896), (1045, 65704), (1528, 44935), (1634, 42020), (1672, 41065), (1720, 39919), (1892, 36290), (1910, 35948), (2090, 32852), (2101, 32680), (2365, 29032), (3268, 21010), (3629, 18920), (3784, 18145), (3820, 17974), (4085, 16808), (4180, 16426), (4202, 16340), (4730, 14516), (6536, 10505), (7258, 9460), (7640, 8987), (8170, 8404), (8213, 8360)]