51206970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1579}}^1$

素因数の和:1659

約数の個数: 64

約数和(自身を含む): 131051520

約数和(自身を除く): 79844550

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 47, 69, 94, 115, 138, 141, 230, 235, 282, 345, 470, 690, 705, 1081, 1410, 1579, 2162, 3158, 3243, 4737, 5405, 6486, 7895, 9474, 10810, 15790, 16215, 23685, 32430, 36317, 47370, 72634, 74213, 108951, 148426, 181585, 217902, 222639, 363170, 371065, 445278, 544755, 742130, 1089510, 1113195, 1706899, 2226390, 3413798, 5120697, 8534495, 10241394, 17068990, 25603485, 51206970]

約数ペア:

[(1, 51206970), (2, 25603485), (3, 17068990), (5, 10241394), (6, 8534495), (10, 5120697), (15, 3413798), (23, 2226390), (30, 1706899), (46, 1113195), (47, 1089510), (69, 742130), (94, 544755), (115, 445278), (138, 371065), (141, 363170), (230, 222639), (235, 217902), (282, 181585), (345, 148426), (470, 108951), (690, 74213), (705, 72634), (1081, 47370), (1410, 36317), (1579, 32430), (2162, 23685), (3158, 16215), (3243, 15790), (4737, 10810), (5405, 9474), (6486, 7895)]