20860492080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{907}}^1\times {\mathrm{1571}}^1$

素因数の和:2555

約数の個数: 160

約数和(自身を含む): 65842000128

約数和(自身を除く): 44981508048

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 61, 80, 120, 122, 183, 240, 244, 305, 366, 488, 610, 732, 907, 915, 976, 1220, 1464, 1571, 1814, 1830, 2440, 2721, 2928, 3142, 3628, 3660, 4535, 4713, 4880, 5442, 6284, 7256, 7320, 7855, 9070, 9426, 10884, 12568, 13605, 14512, 14640, 15710, 18140, 18852, 21768, 23565, 25136, 27210, 31420, 36280, 37704, 43536, 47130, 54420, 55327, 62840, 72560, 75408, 94260, 95831, 108840, 110654, 125680, 165981, 188520, 191662, 217680, 221308, 276635, 287493, 331962, 377040, 383324, 442616, 479155, 553270, 574986, 663924, 766648, 829905, 885232, 958310, 1106540, 1149972, 1327848, 1424897, 1437465, 1533296, 1659810, 1916620, 2213080, 2299944, 2655696, 2849794, 2874930, 3319620, 3833240, 4274691, 4426160, 4599888, 5699588, 5749860, 6639240, 7124485, 7666480, 8549382, 11399176, 11499720, 13278480, 14248970, 17098764, 21373455, 22798352, 22999440, 28497940, 34197528, 42746910, 56995880, 68395056, 85493820, 86918717, 113991760, 170987640, 173837434, 260756151, 341975280, 347674868, 434593585, 521512302, 695349736, 869187170, 1043024604, 1303780755, 1390699472, 1738374340, 2086049208, 2607561510, 3476748680, 4172098416, 5215123020, 6953497360, 10430246040, 20860492080]

約数ペア:

[(1, 20860492080), (2, 10430246040), (3, 6953497360), (4, 5215123020), (5, 4172098416), (6, 3476748680), (8, 2607561510), (10, 2086049208), (12, 1738374340), (15, 1390699472), (16, 1303780755), (20, 1043024604), (24, 869187170), (30, 695349736), (40, 521512302), (48, 434593585), (60, 347674868), (61, 341975280), (80, 260756151), (120, 173837434), (122, 170987640), (183, 113991760), (240, 86918717), (244, 85493820), (305, 68395056), (366, 56995880), (488, 42746910), (610, 34197528), (732, 28497940), (907, 22999440), (915, 22798352), (976, 21373455), (1220, 17098764), (1464, 14248970), (1571, 13278480), (1814, 11499720), (1830, 11399176), (2440, 8549382), (2721, 7666480), (2928, 7124485), (3142, 6639240), (3628, 5749860), (3660, 5699588), (4535, 4599888), (4713, 4426160), (4880, 4274691), (5442, 3833240), (6284, 3319620), (7256, 2874930), (7320, 2849794), (7855, 2655696), (9070, 2299944), (9426, 2213080), (10884, 1916620), (12568, 1659810), (13605, 1533296), (14512, 1437465), (14640, 1424897), (15710, 1327848), (18140, 1149972), (18852, 1106540), (21768, 958310), (23565, 885232), (25136, 829905), (27210, 766648), (31420, 663924), (36280, 574986), (37704, 553270), (43536, 479155), (47130, 442616), (54420, 383324), (55327, 377040), (62840, 331962), (72560, 287493), (75408, 276635), (94260, 221308), (95831, 217680), (108840, 191662), (110654, 188520), (125680, 165981)]