128422920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{15973}}^1$

素因数の和:16054

約数の個数: 64

約数和(自身を含む): 391043520

約数和(自身を除く): 262620600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 67, 120, 134, 201, 268, 335, 402, 536, 670, 804, 1005, 1340, 1608, 2010, 2680, 4020, 8040, 15973, 31946, 47919, 63892, 79865, 95838, 127784, 159730, 191676, 239595, 319460, 383352, 479190, 638920, 958380, 1070191, 1916760, 2140382, 3210573, 4280764, 5350955, 6421146, 8561528, 10701910, 12842292, 16052865, 21403820, 25684584, 32105730, 42807640, 64211460, 128422920]

約数ペア:

[(1, 128422920), (2, 64211460), (3, 42807640), (4, 32105730), (5, 25684584), (6, 21403820), (8, 16052865), (10, 12842292), (12, 10701910), (15, 8561528), (20, 6421146), (24, 5350955), (30, 4280764), (40, 3210573), (60, 2140382), (67, 1916760), (120, 1070191), (134, 958380), (201, 638920), (268, 479190), (335, 383352), (402, 319460), (536, 239595), (670, 191676), (804, 159730), (1005, 127784), (1340, 95838), (1608, 79865), (2010, 63892), (2680, 47919), (4020, 31946), (8040, 15973)]