15704920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{5099}}^1$

素因数の和:5128

約数の個数: 64

約数和(自身を含む): 44064000

約数和(自身を除く): 28359080

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 3080, 5099, 10198, 20396, 25495, 35693, 40792, 50990, 56089, 71386, 101980, 112178, 142772, 178465, 203960, 224356, 280445, 285544, 356930, 392623, 448712, 560890, 713860, 785246, 1121780, 1427720, 1570492, 1963115, 2243560, 3140984, 3926230, 7852460, 15704920]

約数ペア:

[(1, 15704920), (2, 7852460), (4, 3926230), (5, 3140984), (7, 2243560), (8, 1963115), (10, 1570492), (11, 1427720), (14, 1121780), (20, 785246), (22, 713860), (28, 560890), (35, 448712), (40, 392623), (44, 356930), (55, 285544), (56, 280445), (70, 224356), (77, 203960), (88, 178465), (110, 142772), (140, 112178), (154, 101980), (220, 71386), (280, 56089), (308, 50990), (385, 40792), (440, 35693), (616, 25495), (770, 20396), (1540, 10198), (3080, 5099)]