1978920

素因数分解:

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

素因数の和:279

約数の個数: 96

約数和(自身を含む): 6739200

約数和(自身を除く): 4760280

約数列:

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

約数ペア:

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