628027740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{65831}}^1$

素因数の和:65899

約数の個数: 72

約数和(自身を含む): 1940990688

約数和(自身を除く): 1312962948

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 53, 60, 90, 106, 159, 180, 212, 265, 318, 477, 530, 636, 795, 954, 1060, 1590, 1908, 2385, 3180, 4770, 9540, 65831, 131662, 197493, 263324, 329155, 394986, 592479, 658310, 789972, 987465, 1184958, 1316620, 1974930, 2369916, 2962395, 3489043, 3949860, 5924790, 6978086, 10467129, 11849580, 13956172, 17445215, 20934258, 31401387, 34890430, 41868516, 52335645, 62802774, 69780860, 104671290, 125605548, 157006935, 209342580, 314013870, 628027740]

約数ペア:

[(1, 628027740), (2, 314013870), (3, 209342580), (4, 157006935), (5, 125605548), (6, 104671290), (9, 69780860), (10, 62802774), (12, 52335645), (15, 41868516), (18, 34890430), (20, 31401387), (30, 20934258), (36, 17445215), (45, 13956172), (53, 11849580), (60, 10467129), (90, 6978086), (106, 5924790), (159, 3949860), (180, 3489043), (212, 2962395), (265, 2369916), (318, 1974930), (477, 1316620), (530, 1184958), (636, 987465), (795, 789972), (954, 658310), (1060, 592479), (1590, 394986), (1908, 329155), (2385, 263324), (3180, 197493), (4770, 131662), (9540, 65831)]