1664752760

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{27617}}^1$

素因数の和:27776

約数の個数: 64

約数和(自身を含む): 4116186720

約数和(自身を除く): 2451433960

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 137, 220, 274, 440, 548, 685, 1096, 1370, 1507, 2740, 3014, 5480, 6028, 7535, 12056, 15070, 27617, 30140, 55234, 60280, 110468, 138085, 220936, 276170, 303787, 552340, 607574, 1104680, 1215148, 1518935, 2430296, 3037870, 3783529, 6075740, 7567058, 12151480, 15134116, 18917645, 30268232, 37835290, 41618819, 75670580, 83237638, 151341160, 166475276, 208094095, 332950552, 416188190, 832376380, 1664752760]

約数ペア:

[(1, 1664752760), (2, 832376380), (4, 416188190), (5, 332950552), (8, 208094095), (10, 166475276), (11, 151341160), (20, 83237638), (22, 75670580), (40, 41618819), (44, 37835290), (55, 30268232), (88, 18917645), (110, 15134116), (137, 12151480), (220, 7567058), (274, 6075740), (440, 3783529), (548, 3037870), (685, 2430296), (1096, 1518935), (1370, 1215148), (1507, 1104680), (2740, 607574), (3014, 552340), (5480, 303787), (6028, 276170), (7535, 220936), (12056, 138085), (15070, 110468), (27617, 60280), (30140, 55234)]