128255280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{173}}^1\times {\mathrm{3089}}^1$

素因数の和:3278

約数の個数: 80

約数和(自身を含む): 400019040

約数和(自身を除く): 271763760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 173, 240, 346, 519, 692, 865, 1038, 1384, 1730, 2076, 2595, 2768, 3089, 3460, 4152, 5190, 6178, 6920, 8304, 9267, 10380, 12356, 13840, 15445, 18534, 20760, 24712, 30890, 37068, 41520, 46335, 49424, 61780, 74136, 92670, 123560, 148272, 185340, 247120, 370680, 534397, 741360, 1068794, 1603191, 2137588, 2671985, 3206382, 4275176, 5343970, 6412764, 8015955, 8550352, 10687940, 12825528, 16031910, 21375880, 25651056, 32063820, 42751760, 64127640, 128255280]

約数ペア:

[(1, 128255280), (2, 64127640), (3, 42751760), (4, 32063820), (5, 25651056), (6, 21375880), (8, 16031910), (10, 12825528), (12, 10687940), (15, 8550352), (16, 8015955), (20, 6412764), (24, 5343970), (30, 4275176), (40, 3206382), (48, 2671985), (60, 2137588), (80, 1603191), (120, 1068794), (173, 741360), (240, 534397), (346, 370680), (519, 247120), (692, 185340), (865, 148272), (1038, 123560), (1384, 92670), (1730, 74136), (2076, 61780), (2595, 49424), (2768, 46335), (3089, 41520), (3460, 37068), (4152, 30890), (5190, 24712), (6178, 20760), (6920, 18534), (8304, 15445), (9267, 13840), (10380, 12356)]