127785680

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{307}}^1$

素因数の和:385

約数の個数: 120

約数和(自身を含む): 335249376

約数和(自身を除く): 207463696

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 43, 44, 55, 80, 86, 88, 110, 121, 172, 176, 215, 220, 242, 307, 344, 430, 440, 473, 484, 605, 614, 688, 860, 880, 946, 968, 1210, 1228, 1535, 1720, 1892, 1936, 2365, 2420, 2456, 3070, 3377, 3440, 3784, 4730, 4840, 4912, 5203, 6140, 6754, 7568, 9460, 9680, 10406, 12280, 13201, 13508, 16885, 18920, 20812, 24560, 26015, 26402, 27016, 33770, 37147, 37840, 41624, 52030, 52804, 54032, 66005, 67540, 74294, 83248, 104060, 105608, 132010, 135080, 145211, 148588, 185735, 208120, 211216, 264020, 270160, 290422, 297176, 371470, 416240, 528040, 580844, 594352, 726055, 742940, 1056080, 1161688, 1452110, 1485880, 1597321, 2323376, 2904220, 2971760, 3194642, 5808440, 6389284, 7986605, 11616880, 12778568, 15973210, 25557136, 31946420, 63892840, 127785680]

約数ペア:

[(1, 127785680), (2, 63892840), (4, 31946420), (5, 25557136), (8, 15973210), (10, 12778568), (11, 11616880), (16, 7986605), (20, 6389284), (22, 5808440), (40, 3194642), (43, 2971760), (44, 2904220), (55, 2323376), (80, 1597321), (86, 1485880), (88, 1452110), (110, 1161688), (121, 1056080), (172, 742940), (176, 726055), (215, 594352), (220, 580844), (242, 528040), (307, 416240), (344, 371470), (430, 297176), (440, 290422), (473, 270160), (484, 264020), (605, 211216), (614, 208120), (688, 185735), (860, 148588), (880, 145211), (946, 135080), (968, 132010), (1210, 105608), (1228, 104060), (1535, 83248), (1720, 74294), (1892, 67540), (1936, 66005), (2365, 54032), (2420, 52804), (2456, 52030), (3070, 41624), (3377, 37840), (3440, 37147), (3784, 33770), (4730, 27016), (4840, 26402), (4912, 26015), (5203, 24560), (6140, 20812), (6754, 18920), (7568, 16885), (9460, 13508), (9680, 13201), (10406, 12280)]