205216440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{11959}}^1$

素因数の和:11997

約数の個数: 128

約数和(自身を含む): 723340800

約数和(自身を除く): 518124360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 13, 15, 20, 22, 24, 26, 30, 33, 39, 40, 44, 52, 55, 60, 65, 66, 78, 88, 104, 110, 120, 130, 132, 143, 156, 165, 195, 220, 260, 264, 286, 312, 330, 390, 429, 440, 520, 572, 660, 715, 780, 858, 1144, 1320, 1430, 1560, 1716, 2145, 2860, 3432, 4290, 5720, 8580, 11959, 17160, 23918, 35877, 47836, 59795, 71754, 95672, 119590, 131549, 143508, 155467, 179385, 239180, 263098, 287016, 310934, 358770, 394647, 466401, 478360, 526196, 621868, 657745, 717540, 777335, 789294, 932802, 1052392, 1243736, 1315490, 1435080, 1554670, 1578588, 1710137, 1865604, 1973235, 2332005, 2630980, 3109340, 3157176, 3420274, 3731208, 3946470, 4664010, 5130411, 5261960, 6218680, 6840548, 7892940, 8550685, 9328020, 10260822, 13681096, 15785880, 17101370, 18656040, 20521644, 25652055, 34202740, 41043288, 51304110, 68405480, 102608220, 205216440]

約数ペア:

[(1, 205216440), (2, 102608220), (3, 68405480), (4, 51304110), (5, 41043288), (6, 34202740), (8, 25652055), (10, 20521644), (11, 18656040), (12, 17101370), (13, 15785880), (15, 13681096), (20, 10260822), (22, 9328020), (24, 8550685), (26, 7892940), (30, 6840548), (33, 6218680), (39, 5261960), (40, 5130411), (44, 4664010), (52, 3946470), (55, 3731208), (60, 3420274), (65, 3157176), (66, 3109340), (78, 2630980), (88, 2332005), (104, 1973235), (110, 1865604), (120, 1710137), (130, 1578588), (132, 1554670), (143, 1435080), (156, 1315490), (165, 1243736), (195, 1052392), (220, 932802), (260, 789294), (264, 777335), (286, 717540), (312, 657745), (330, 621868), (390, 526196), (429, 478360), (440, 466401), (520, 394647), (572, 358770), (660, 310934), (715, 287016), (780, 263098), (858, 239180), (1144, 179385), (1320, 155467), (1430, 143508), (1560, 131549), (1716, 119590), (2145, 95672), (2860, 71754), (3432, 59795), (4290, 47836), (5720, 35877), (8580, 23918), (11959, 17160)]