147654320

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{8831}}^1$

素因数の和:8874

約数の個数: 80

約数和(自身を含む): 394260480

約数和(自身を除く): 246606160

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 38, 40, 44, 55, 76, 80, 88, 95, 110, 152, 176, 190, 209, 220, 304, 380, 418, 440, 760, 836, 880, 1045, 1520, 1672, 2090, 3344, 4180, 8360, 8831, 16720, 17662, 35324, 44155, 70648, 88310, 97141, 141296, 167789, 176620, 194282, 335578, 353240, 388564, 485705, 671156, 706480, 777128, 838945, 971410, 1342312, 1554256, 1677890, 1845679, 1942820, 2684624, 3355780, 3691358, 3885640, 6711560, 7382716, 7771280, 9228395, 13423120, 14765432, 18456790, 29530864, 36913580, 73827160, 147654320]

約数ペア:

[(1, 147654320), (2, 73827160), (4, 36913580), (5, 29530864), (8, 18456790), (10, 14765432), (11, 13423120), (16, 9228395), (19, 7771280), (20, 7382716), (22, 6711560), (38, 3885640), (40, 3691358), (44, 3355780), (55, 2684624), (76, 1942820), (80, 1845679), (88, 1677890), (95, 1554256), (110, 1342312), (152, 971410), (176, 838945), (190, 777128), (209, 706480), (220, 671156), (304, 485705), (380, 388564), (418, 353240), (440, 335578), (760, 194282), (836, 176620), (880, 167789), (1045, 141296), (1520, 97141), (1672, 88310), (2090, 70648), (3344, 44155), (4180, 35324), (8360, 17662), (8831, 16720)]