406606920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1\times {\mathrm{491}}^1$

素因数の和:675

約数の個数: 128

約数和(自身を含む): 1252592640

約数和(自身を除く): 845985720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 67, 103, 120, 134, 201, 206, 268, 309, 335, 402, 412, 491, 515, 536, 618, 670, 804, 824, 982, 1005, 1030, 1236, 1340, 1473, 1545, 1608, 1964, 2010, 2060, 2455, 2472, 2680, 2946, 3090, 3928, 4020, 4120, 4910, 5892, 6180, 6901, 7365, 8040, 9820, 11784, 12360, 13802, 14730, 19640, 20703, 27604, 29460, 32897, 34505, 41406, 50573, 55208, 58920, 65794, 69010, 82812, 98691, 101146, 103515, 131588, 138020, 151719, 164485, 165624, 197382, 202292, 207030, 252865, 263176, 276040, 303438, 328970, 394764, 404584, 414060, 493455, 505730, 606876, 657940, 758595, 789528, 828120, 986910, 1011460, 1213752, 1315880, 1517190, 1973820, 2022920, 3034380, 3388391, 3947640, 6068760, 6776782, 10165173, 13553564, 16941955, 20330346, 27107128, 33883910, 40660692, 50825865, 67767820, 81321384, 101651730, 135535640, 203303460, 406606920]

約数ペア:

[(1, 406606920), (2, 203303460), (3, 135535640), (4, 101651730), (5, 81321384), (6, 67767820), (8, 50825865), (10, 40660692), (12, 33883910), (15, 27107128), (20, 20330346), (24, 16941955), (30, 13553564), (40, 10165173), (60, 6776782), (67, 6068760), (103, 3947640), (120, 3388391), (134, 3034380), (201, 2022920), (206, 1973820), (268, 1517190), (309, 1315880), (335, 1213752), (402, 1011460), (412, 986910), (491, 828120), (515, 789528), (536, 758595), (618, 657940), (670, 606876), (804, 505730), (824, 493455), (982, 414060), (1005, 404584), (1030, 394764), (1236, 328970), (1340, 303438), (1473, 276040), (1545, 263176), (1608, 252865), (1964, 207030), (2010, 202292), (2060, 197382), (2455, 165624), (2472, 164485), (2680, 151719), (2946, 138020), (3090, 131588), (3928, 103515), (4020, 101146), (4120, 98691), (4910, 82812), (5892, 69010), (6180, 65794), (6901, 58920), (7365, 55208), (8040, 50573), (9820, 41406), (11784, 34505), (12360, 32897), (13802, 29460), (14730, 27604), (19640, 20703)]