20808632280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{347}}^1\times {\mathrm{421}}^1\times {\mathrm{1187}}^1$

素因数の和:1969

約数の個数: 128

約数和(自身を含む): 62807374080

約数和(自身を除く): 41998741800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 347, 421, 694, 842, 1041, 1187, 1263, 1388, 1684, 1735, 2082, 2105, 2374, 2526, 2776, 3368, 3470, 3561, 4164, 4210, 4748, 5052, 5205, 5935, 6315, 6940, 7122, 8328, 8420, 9496, 10104, 10410, 11870, 12630, 13880, 14244, 16840, 17805, 20820, 23740, 25260, 28488, 35610, 41640, 47480, 50520, 71220, 142440, 146087, 292174, 411889, 438261, 499727, 584348, 730435, 823778, 876522, 999454, 1168696, 1235667, 1460870, 1499181, 1647556, 1753044, 1998908, 2059445, 2191305, 2471334, 2498635, 2921740, 2998362, 3295112, 3506088, 3997816, 4118890, 4382610, 4942668, 4997270, 5843480, 5996724, 6178335, 7495905, 8237780, 8765220, 9885336, 9994540, 11993448, 12356670, 14991810, 16475560, 17530440, 19989080, 24713340, 29983620, 49426680, 59967240, 173405269, 346810538, 520215807, 693621076, 867026345, 1040431614, 1387242152, 1734052690, 2080863228, 2601079035, 3468105380, 4161726456, 5202158070, 6936210760, 10404316140, 20808632280]

約数ペア:

[(1, 20808632280), (2, 10404316140), (3, 6936210760), (4, 5202158070), (5, 4161726456), (6, 3468105380), (8, 2601079035), (10, 2080863228), (12, 1734052690), (15, 1387242152), (20, 1040431614), (24, 867026345), (30, 693621076), (40, 520215807), (60, 346810538), (120, 173405269), (347, 59967240), (421, 49426680), (694, 29983620), (842, 24713340), (1041, 19989080), (1187, 17530440), (1263, 16475560), (1388, 14991810), (1684, 12356670), (1735, 11993448), (2082, 9994540), (2105, 9885336), (2374, 8765220), (2526, 8237780), (2776, 7495905), (3368, 6178335), (3470, 5996724), (3561, 5843480), (4164, 4997270), (4210, 4942668), (4748, 4382610), (5052, 4118890), (5205, 3997816), (5935, 3506088), (6315, 3295112), (6940, 2998362), (7122, 2921740), (8328, 2498635), (8420, 2471334), (9496, 2191305), (10104, 2059445), (10410, 1998908), (11870, 1753044), (12630, 1647556), (13880, 1499181), (14244, 1460870), (16840, 1235667), (17805, 1168696), (20820, 999454), (23740, 876522), (25260, 823778), (28488, 730435), (35610, 584348), (41640, 499727), (47480, 438261), (50520, 411889), (71220, 292174), (142440, 146087)]