2189997840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{128521}}^1$

素因数の和:128608

約数の個数: 80

約数和(自身を含む): 6884666496

約数和(自身を除く): 4694668656

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 71, 80, 120, 142, 213, 240, 284, 355, 426, 568, 710, 852, 1065, 1136, 1420, 1704, 2130, 2840, 3408, 4260, 5680, 8520, 17040, 128521, 257042, 385563, 514084, 642605, 771126, 1028168, 1285210, 1542252, 1927815, 2056336, 2570420, 3084504, 3855630, 5140840, 6169008, 7711260, 9124991, 10281680, 15422520, 18249982, 27374973, 30845040, 36499964, 45624955, 54749946, 72999928, 91249910, 109499892, 136874865, 145999856, 182499820, 218999784, 273749730, 364999640, 437999568, 547499460, 729999280, 1094998920, 2189997840]

約数ペア:

[(1, 2189997840), (2, 1094998920), (3, 729999280), (4, 547499460), (5, 437999568), (6, 364999640), (8, 273749730), (10, 218999784), (12, 182499820), (15, 145999856), (16, 136874865), (20, 109499892), (24, 91249910), (30, 72999928), (40, 54749946), (48, 45624955), (60, 36499964), (71, 30845040), (80, 27374973), (120, 18249982), (142, 15422520), (213, 10281680), (240, 9124991), (284, 7711260), (355, 6169008), (426, 5140840), (568, 3855630), (710, 3084504), (852, 2570420), (1065, 2056336), (1136, 1927815), (1420, 1542252), (1704, 1285210), (2130, 1028168), (2840, 771126), (3408, 642605), (4260, 514084), (5680, 385563), (8520, 257042), (17040, 128521)]