2217759920

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{15671}}^1$

素因数の和:15774

約数の個数: 80

約数和(自身を含む): 5421885120

約数和(自身を除く): 3204125200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 61, 80, 116, 122, 145, 232, 244, 290, 305, 464, 488, 580, 610, 976, 1160, 1220, 1769, 2320, 2440, 3538, 4880, 7076, 8845, 14152, 15671, 17690, 28304, 31342, 35380, 62684, 70760, 78355, 125368, 141520, 156710, 250736, 313420, 454459, 626840, 908918, 955931, 1253680, 1817836, 1911862, 2272295, 3635672, 3823724, 4544590, 4779655, 7271344, 7647448, 9089180, 9559310, 15294896, 18178360, 19118620, 27721999, 36356720, 38237240, 55443998, 76474480, 110887996, 138609995, 221775992, 277219990, 443551984, 554439980, 1108879960, 2217759920]

約数ペア:

[(1, 2217759920), (2, 1108879960), (4, 554439980), (5, 443551984), (8, 277219990), (10, 221775992), (16, 138609995), (20, 110887996), (29, 76474480), (40, 55443998), (58, 38237240), (61, 36356720), (80, 27721999), (116, 19118620), (122, 18178360), (145, 15294896), (232, 9559310), (244, 9089180), (290, 7647448), (305, 7271344), (464, 4779655), (488, 4544590), (580, 3823724), (610, 3635672), (976, 2272295), (1160, 1911862), (1220, 1817836), (1769, 1253680), (2320, 955931), (2440, 908918), (3538, 626840), (4880, 454459), (7076, 313420), (8845, 250736), (14152, 156710), (15671, 141520), (17690, 125368), (28304, 78355), (31342, 70760), (35380, 62684)]