3957840

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{239}}^1$

素因数の和:281

約数の個数: 120

約数和(自身を含む): 13927680

約数和(自身を除く): 9969840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 36, 40, 45, 46, 48, 60, 69, 72, 80, 90, 92, 115, 120, 138, 144, 180, 184, 207, 230, 239, 240, 276, 345, 360, 368, 414, 460, 478, 552, 690, 717, 720, 828, 920, 956, 1035, 1104, 1195, 1380, 1434, 1656, 1840, 1912, 2070, 2151, 2390, 2760, 2868, 3312, 3585, 3824, 4140, 4302, 4780, 5497, 5520, 5736, 7170, 8280, 8604, 9560, 10755, 10994, 11472, 14340, 16491, 16560, 17208, 19120, 21510, 21988, 27485, 28680, 32982, 34416, 43020, 43976, 49473, 54970, 57360, 65964, 82455, 86040, 87952, 98946, 109940, 131928, 164910, 172080, 197892, 219880, 247365, 263856, 329820, 395784, 439760, 494730, 659640, 791568, 989460, 1319280, 1978920, 3957840]

約数ペア:

[(1, 3957840), (2, 1978920), (3, 1319280), (4, 989460), (5, 791568), (6, 659640), (8, 494730), (9, 439760), (10, 395784), (12, 329820), (15, 263856), (16, 247365), (18, 219880), (20, 197892), (23, 172080), (24, 164910), (30, 131928), (36, 109940), (40, 98946), (45, 87952), (46, 86040), (48, 82455), (60, 65964), (69, 57360), (72, 54970), (80, 49473), (90, 43976), (92, 43020), (115, 34416), (120, 32982), (138, 28680), (144, 27485), (180, 21988), (184, 21510), (207, 19120), (230, 17208), (239, 16560), (240, 16491), (276, 14340), (345, 11472), (360, 10994), (368, 10755), (414, 9560), (460, 8604), (478, 8280), (552, 7170), (690, 5736), (717, 5520), (720, 5497), (828, 4780), (920, 4302), (956, 4140), (1035, 3824), (1104, 3585), (1195, 3312), (1380, 2868), (1434, 2760), (1656, 2390), (1840, 2151), (1912, 2070)]