891857120

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{6581}}^1$

素因数の和:6625

約数の個数: 144

約数和(自身を含む): 2647227744

約数和(自身を除く): 1755370624

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 121, 140, 154, 160, 176, 220, 224, 242, 280, 308, 352, 385, 440, 484, 560, 605, 616, 770, 847, 880, 968, 1120, 1210, 1232, 1540, 1694, 1760, 1936, 2420, 2464, 3080, 3388, 3872, 4235, 4840, 6160, 6581, 6776, 8470, 9680, 12320, 13162, 13552, 16940, 19360, 26324, 27104, 32905, 33880, 46067, 52648, 65810, 67760, 72391, 92134, 105296, 131620, 135520, 144782, 184268, 210592, 230335, 263240, 289564, 361955, 368536, 460670, 506737, 526480, 579128, 723910, 737072, 796301, 921340, 1013474, 1052960, 1158256, 1447820, 1474144, 1592602, 1842680, 2026948, 2316512, 2533685, 2895640, 3185204, 3685360, 3981505, 4053896, 5067370, 5574107, 5791280, 6370408, 7370720, 7963010, 8107792, 10134740, 11148214, 11582560, 12740816, 15926020, 16215584, 20269480, 22296428, 25481632, 27870535, 31852040, 40538960, 44592856, 55741070, 63704080, 81077920, 89185712, 111482140, 127408160, 178371424, 222964280, 445928560, 891857120]

約数ペア:

[(1, 891857120), (2, 445928560), (4, 222964280), (5, 178371424), (7, 127408160), (8, 111482140), (10, 89185712), (11, 81077920), (14, 63704080), (16, 55741070), (20, 44592856), (22, 40538960), (28, 31852040), (32, 27870535), (35, 25481632), (40, 22296428), (44, 20269480), (55, 16215584), (56, 15926020), (70, 12740816), (77, 11582560), (80, 11148214), (88, 10134740), (110, 8107792), (112, 7963010), (121, 7370720), (140, 6370408), (154, 5791280), (160, 5574107), (176, 5067370), (220, 4053896), (224, 3981505), (242, 3685360), (280, 3185204), (308, 2895640), (352, 2533685), (385, 2316512), (440, 2026948), (484, 1842680), (560, 1592602), (605, 1474144), (616, 1447820), (770, 1158256), (847, 1052960), (880, 1013474), (968, 921340), (1120, 796301), (1210, 737072), (1232, 723910), (1540, 579128), (1694, 526480), (1760, 506737), (1936, 460670), (2420, 368536), (2464, 361955), (3080, 289564), (3388, 263240), (3872, 230335), (4235, 210592), (4840, 184268), (6160, 144782), (6581, 135520), (6776, 131620), (8470, 105296), (9680, 92134), (12320, 72391), (13162, 67760), (13552, 65810), (16940, 52648), (19360, 46067), (26324, 33880), (27104, 32905)]