78766160

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{79}}^1\times {\mathrm{103}}^1$

素因数の和:217

約数の個数: 120

約数和(自身を含む): 205820160

約数和(自身を除く): 127054000

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 79, 80, 88, 103, 110, 121, 158, 176, 206, 220, 242, 316, 395, 412, 440, 484, 515, 605, 632, 790, 824, 869, 880, 968, 1030, 1133, 1210, 1264, 1580, 1648, 1738, 1936, 2060, 2266, 2420, 3160, 3476, 4120, 4345, 4532, 4840, 5665, 6320, 6952, 8137, 8240, 8690, 9064, 9559, 9680, 11330, 12463, 13904, 16274, 17380, 18128, 19118, 22660, 24926, 32548, 34760, 38236, 40685, 45320, 47795, 49852, 62315, 65096, 69520, 76472, 81370, 89507, 90640, 95590, 99704, 124630, 130192, 152944, 162740, 179014, 191180, 199408, 249260, 325480, 358028, 382360, 447535, 498520, 650960, 716056, 764720, 895070, 984577, 997040, 1432112, 1790140, 1969154, 3580280, 3938308, 4922885, 7160560, 7876616, 9845770, 15753232, 19691540, 39383080, 78766160]

約数ペア:

[(1, 78766160), (2, 39383080), (4, 19691540), (5, 15753232), (8, 9845770), (10, 7876616), (11, 7160560), (16, 4922885), (20, 3938308), (22, 3580280), (40, 1969154), (44, 1790140), (55, 1432112), (79, 997040), (80, 984577), (88, 895070), (103, 764720), (110, 716056), (121, 650960), (158, 498520), (176, 447535), (206, 382360), (220, 358028), (242, 325480), (316, 249260), (395, 199408), (412, 191180), (440, 179014), (484, 162740), (515, 152944), (605, 130192), (632, 124630), (790, 99704), (824, 95590), (869, 90640), (880, 89507), (968, 81370), (1030, 76472), (1133, 69520), (1210, 65096), (1264, 62315), (1580, 49852), (1648, 47795), (1738, 45320), (1936, 40685), (2060, 38236), (2266, 34760), (2420, 32548), (3160, 24926), (3476, 22660), (4120, 19118), (4345, 18128), (4532, 17380), (4840, 16274), (5665, 13904), (6320, 12463), (6952, 11330), (8137, 9680), (8240, 9559), (8690, 9064)]