1319280

素因数分解:

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

素因数の和:278

約数の個数: 80

約数和(自身を含む): 4285440

約数和(自身を除く): 2966160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 40, 46, 48, 60, 69, 80, 92, 115, 120, 138, 184, 230, 239, 240, 276, 345, 368, 460, 478, 552, 690, 717, 920, 956, 1104, 1195, 1380, 1434, 1840, 1912, 2390, 2760, 2868, 3585, 3824, 4780, 5497, 5520, 5736, 7170, 9560, 10994, 11472, 14340, 16491, 19120, 21988, 27485, 28680, 32982, 43976, 54970, 57360, 65964, 82455, 87952, 109940, 131928, 164910, 219880, 263856, 329820, 439760, 659640, 1319280]

約数ペア:

[(1, 1319280), (2, 659640), (3, 439760), (4, 329820), (5, 263856), (6, 219880), (8, 164910), (10, 131928), (12, 109940), (15, 87952), (16, 82455), (20, 65964), (23, 57360), (24, 54970), (30, 43976), (40, 32982), (46, 28680), (48, 27485), (60, 21988), (69, 19120), (80, 16491), (92, 14340), (115, 11472), (120, 10994), (138, 9560), (184, 7170), (230, 5736), (239, 5520), (240, 5497), (276, 4780), (345, 3824), (368, 3585), (460, 2868), (478, 2760), (552, 2390), (690, 1912), (717, 1840), (920, 1434), (956, 1380), (1104, 1195)]