221691480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1709}}^1$

素因数の和:1793

約数の個数: 128

約数和(自身を含む): 709171200

約数和(自身を除く): 487479720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 47, 60, 69, 92, 94, 115, 120, 138, 141, 184, 188, 230, 235, 276, 282, 345, 376, 460, 470, 552, 564, 690, 705, 920, 940, 1081, 1128, 1380, 1410, 1709, 1880, 2162, 2760, 2820, 3243, 3418, 4324, 5127, 5405, 5640, 6486, 6836, 8545, 8648, 10254, 10810, 12972, 13672, 16215, 17090, 20508, 21620, 25635, 25944, 32430, 34180, 39307, 41016, 43240, 51270, 64860, 68360, 78614, 80323, 102540, 117921, 129720, 157228, 160646, 196535, 205080, 235842, 240969, 314456, 321292, 393070, 401615, 471684, 481938, 589605, 642584, 786140, 803230, 943368, 963876, 1179210, 1204845, 1572280, 1606460, 1847429, 1927752, 2358420, 2409690, 3212920, 3694858, 4716840, 4819380, 5542287, 7389716, 9237145, 9638760, 11084574, 14779432, 18474290, 22169148, 27711435, 36948580, 44338296, 55422870, 73897160, 110845740, 221691480]

約数ペア:

[(1, 221691480), (2, 110845740), (3, 73897160), (4, 55422870), (5, 44338296), (6, 36948580), (8, 27711435), (10, 22169148), (12, 18474290), (15, 14779432), (20, 11084574), (23, 9638760), (24, 9237145), (30, 7389716), (40, 5542287), (46, 4819380), (47, 4716840), (60, 3694858), (69, 3212920), (92, 2409690), (94, 2358420), (115, 1927752), (120, 1847429), (138, 1606460), (141, 1572280), (184, 1204845), (188, 1179210), (230, 963876), (235, 943368), (276, 803230), (282, 786140), (345, 642584), (376, 589605), (460, 481938), (470, 471684), (552, 401615), (564, 393070), (690, 321292), (705, 314456), (920, 240969), (940, 235842), (1081, 205080), (1128, 196535), (1380, 160646), (1410, 157228), (1709, 129720), (1880, 117921), (2162, 102540), (2760, 80323), (2820, 78614), (3243, 68360), (3418, 64860), (4324, 51270), (5127, 43240), (5405, 41016), (5640, 39307), (6486, 34180), (6836, 32430), (8545, 25944), (8648, 25635), (10254, 21620), (10810, 20508), (12972, 17090), (13672, 16215)]