20806616280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{907}}^1\times {\mathrm{1283}}^1$

素因数の和:2353

約数の個数: 128

約数和(自身を含む): 62957088000

約数和(自身を除く): 42150471720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 149, 298, 447, 596, 745, 894, 907, 1192, 1283, 1490, 1788, 1814, 2235, 2566, 2721, 2980, 3576, 3628, 3849, 4470, 4535, 5132, 5442, 5960, 6415, 7256, 7698, 8940, 9070, 10264, 10884, 12830, 13605, 15396, 17880, 18140, 19245, 21768, 25660, 27210, 30792, 36280, 38490, 51320, 54420, 76980, 108840, 135143, 153960, 191167, 270286, 382334, 405429, 540572, 573501, 675715, 764668, 810858, 955835, 1081144, 1147002, 1163681, 1351430, 1529336, 1621716, 1911670, 2027145, 2294004, 2327362, 2702860, 2867505, 3243432, 3491043, 3823340, 4054290, 4588008, 4654724, 5405720, 5735010, 5818405, 6982086, 7646680, 8108580, 9309448, 11470020, 11636810, 13964172, 16217160, 17455215, 22940040, 23273620, 27928344, 34910430, 46547240, 69820860, 139641720, 173388469, 346776938, 520165407, 693553876, 866942345, 1040330814, 1387107752, 1733884690, 2080661628, 2600827035, 3467769380, 4161323256, 5201654070, 6935538760, 10403308140, 20806616280]

約数ペア:

[(1, 20806616280), (2, 10403308140), (3, 6935538760), (4, 5201654070), (5, 4161323256), (6, 3467769380), (8, 2600827035), (10, 2080661628), (12, 1733884690), (15, 1387107752), (20, 1040330814), (24, 866942345), (30, 693553876), (40, 520165407), (60, 346776938), (120, 173388469), (149, 139641720), (298, 69820860), (447, 46547240), (596, 34910430), (745, 27928344), (894, 23273620), (907, 22940040), (1192, 17455215), (1283, 16217160), (1490, 13964172), (1788, 11636810), (1814, 11470020), (2235, 9309448), (2566, 8108580), (2721, 7646680), (2980, 6982086), (3576, 5818405), (3628, 5735010), (3849, 5405720), (4470, 4654724), (4535, 4588008), (5132, 4054290), (5442, 3823340), (5960, 3491043), (6415, 3243432), (7256, 2867505), (7698, 2702860), (8940, 2327362), (9070, 2294004), (10264, 2027145), (10884, 1911670), (12830, 1621716), (13605, 1529336), (15396, 1351430), (17880, 1163681), (18140, 1147002), (19245, 1081144), (21768, 955835), (25660, 810858), (27210, 764668), (30792, 675715), (36280, 573501), (38490, 540572), (51320, 405429), (54420, 382334), (76980, 270286), (108840, 191167), (135143, 153960)]