155720040

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{373}}^1$

素因数の和:472

約数の個数: 192

約数和(自身を含む): 552562560

約数和(自身を除く): 396842520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 71, 84, 98, 105, 120, 140, 142, 147, 168, 196, 210, 213, 245, 280, 284, 294, 355, 373, 392, 420, 426, 490, 497, 568, 588, 710, 735, 746, 840, 852, 980, 994, 1065, 1119, 1176, 1420, 1470, 1491, 1492, 1704, 1865, 1960, 1988, 2130, 2238, 2485, 2611, 2840, 2940, 2982, 2984, 3479, 3730, 3976, 4260, 4476, 4970, 5222, 5595, 5880, 5964, 6958, 7455, 7460, 7833, 8520, 8952, 9940, 10437, 10444, 11190, 11928, 13055, 13916, 14910, 14920, 15666, 17395, 18277, 19880, 20874, 20888, 22380, 26110, 26483, 27832, 29820, 31332, 34790, 36554, 39165, 41748, 44760, 52185, 52220, 52966, 54831, 59640, 62664, 69580, 73108, 78330, 79449, 83496, 91385, 104370, 104440, 105932, 109662, 132415, 139160, 146216, 156660, 158898, 182770, 185381, 208740, 211864, 219324, 264830, 274155, 313320, 317796, 365540, 370762, 397245, 417480, 438648, 529660, 548310, 556143, 635592, 731080, 741524, 794490, 926905, 1059320, 1096620, 1112286, 1297667, 1483048, 1588980, 1853810, 2193240, 2224572, 2595334, 2780715, 3177960, 3707620, 3893001, 4449144, 5190668, 5561430, 6488335, 7415240, 7786002, 10381336, 11122860, 12976670, 15572004, 19465005, 22245720, 25953340, 31144008, 38930010, 51906680, 77860020, 155720040]

約数ペア:

[(1, 155720040), (2, 77860020), (3, 51906680), (4, 38930010), (5, 31144008), (6, 25953340), (7, 22245720), (8, 19465005), (10, 15572004), (12, 12976670), (14, 11122860), (15, 10381336), (20, 7786002), (21, 7415240), (24, 6488335), (28, 5561430), (30, 5190668), (35, 4449144), (40, 3893001), (42, 3707620), (49, 3177960), (56, 2780715), (60, 2595334), (70, 2224572), (71, 2193240), (84, 1853810), (98, 1588980), (105, 1483048), (120, 1297667), (140, 1112286), (142, 1096620), (147, 1059320), (168, 926905), (196, 794490), (210, 741524), (213, 731080), (245, 635592), (280, 556143), (284, 548310), (294, 529660), (355, 438648), (373, 417480), (392, 397245), (420, 370762), (426, 365540), (490, 317796), (497, 313320), (568, 274155), (588, 264830), (710, 219324), (735, 211864), (746, 208740), (840, 185381), (852, 182770), (980, 158898), (994, 156660), (1065, 146216), (1119, 139160), (1176, 132415), (1420, 109662), (1470, 105932), (1491, 104440), (1492, 104370), (1704, 91385), (1865, 83496), (1960, 79449), (1988, 78330), (2130, 73108), (2238, 69580), (2485, 62664), (2611, 59640), (2840, 54831), (2940, 52966), (2982, 52220), (2984, 52185), (3479, 44760), (3730, 41748), (3976, 39165), (4260, 36554), (4476, 34790), (4970, 31332), (5222, 29820), (5595, 27832), (5880, 26483), (5964, 26110), (6958, 22380), (7455, 20888), (7460, 20874), (7833, 19880), (8520, 18277), (8952, 17395), (9940, 15666), (10437, 14920), (10444, 14910), (11190, 13916), (11928, 13055)]