80781720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{14323}}^1$

素因数の和:14384

約数の個数: 64

約数和(自身を含む): 247518720

約数和(自身を除く): 166737000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 47, 60, 94, 120, 141, 188, 235, 282, 376, 470, 564, 705, 940, 1128, 1410, 1880, 2820, 5640, 14323, 28646, 42969, 57292, 71615, 85938, 114584, 143230, 171876, 214845, 286460, 343752, 429690, 572920, 673181, 859380, 1346362, 1718760, 2019543, 2692724, 3365905, 4039086, 5385448, 6731810, 8078172, 10097715, 13463620, 16156344, 20195430, 26927240, 40390860, 80781720]

約数ペア:

[(1, 80781720), (2, 40390860), (3, 26927240), (4, 20195430), (5, 16156344), (6, 13463620), (8, 10097715), (10, 8078172), (12, 6731810), (15, 5385448), (20, 4039086), (24, 3365905), (30, 2692724), (40, 2019543), (47, 1718760), (60, 1346362), (94, 859380), (120, 673181), (141, 572920), (188, 429690), (235, 343752), (282, 286460), (376, 214845), (470, 171876), (564, 143230), (705, 114584), (940, 85938), (1128, 71615), (1410, 57292), (1880, 42969), (2820, 28646), (5640, 14323)]