68390040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{349}}^1$

素因数の和:457

約数の個数: 128

約数和(自身を含む): 217728000

約数和(自身を除く): 149337960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 71, 92, 115, 120, 138, 142, 184, 213, 230, 276, 284, 345, 349, 355, 426, 460, 552, 568, 690, 698, 710, 852, 920, 1047, 1065, 1380, 1396, 1420, 1633, 1704, 1745, 2094, 2130, 2760, 2792, 2840, 3266, 3490, 4188, 4260, 4899, 5235, 6532, 6980, 8027, 8165, 8376, 8520, 9798, 10470, 13064, 13960, 16054, 16330, 19596, 20940, 24081, 24495, 24779, 32108, 32660, 39192, 40135, 41880, 48162, 48990, 49558, 64216, 65320, 74337, 80270, 96324, 97980, 99116, 120405, 123895, 148674, 160540, 192648, 195960, 198232, 240810, 247790, 297348, 321080, 371685, 481620, 495580, 569917, 594696, 743370, 963240, 991160, 1139834, 1486740, 1709751, 2279668, 2849585, 2973480, 3419502, 4559336, 5699170, 6839004, 8548755, 11398340, 13678008, 17097510, 22796680, 34195020, 68390040]

約数ペア:

[(1, 68390040), (2, 34195020), (3, 22796680), (4, 17097510), (5, 13678008), (6, 11398340), (8, 8548755), (10, 6839004), (12, 5699170), (15, 4559336), (20, 3419502), (23, 2973480), (24, 2849585), (30, 2279668), (40, 1709751), (46, 1486740), (60, 1139834), (69, 991160), (71, 963240), (92, 743370), (115, 594696), (120, 569917), (138, 495580), (142, 481620), (184, 371685), (213, 321080), (230, 297348), (276, 247790), (284, 240810), (345, 198232), (349, 195960), (355, 192648), (426, 160540), (460, 148674), (552, 123895), (568, 120405), (690, 99116), (698, 97980), (710, 96324), (852, 80270), (920, 74337), (1047, 65320), (1065, 64216), (1380, 49558), (1396, 48990), (1420, 48162), (1633, 41880), (1704, 40135), (1745, 39192), (2094, 32660), (2130, 32108), (2760, 24779), (2792, 24495), (2840, 24081), (3266, 20940), (3490, 19596), (4188, 16330), (4260, 16054), (4899, 13960), (5235, 13064), (6532, 10470), (6980, 9798), (8027, 8520), (8165, 8376)]