320419920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{32563}}^1$

素因数の和:32620

約数の個数: 80

約数和(自身を含む): 1017559872

約数和(自身を除く): 697139952

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 41, 48, 60, 80, 82, 120, 123, 164, 205, 240, 246, 328, 410, 492, 615, 656, 820, 984, 1230, 1640, 1968, 2460, 3280, 4920, 9840, 32563, 65126, 97689, 130252, 162815, 195378, 260504, 325630, 390756, 488445, 521008, 651260, 781512, 976890, 1302520, 1335083, 1563024, 1953780, 2605040, 2670166, 3907560, 4005249, 5340332, 6675415, 7815120, 8010498, 10680664, 13350830, 16020996, 20026245, 21361328, 26701660, 32041992, 40052490, 53403320, 64083984, 80104980, 106806640, 160209960, 320419920]

約数ペア:

[(1, 320419920), (2, 160209960), (3, 106806640), (4, 80104980), (5, 64083984), (6, 53403320), (8, 40052490), (10, 32041992), (12, 26701660), (15, 21361328), (16, 20026245), (20, 16020996), (24, 13350830), (30, 10680664), (40, 8010498), (41, 7815120), (48, 6675415), (60, 5340332), (80, 4005249), (82, 3907560), (120, 2670166), (123, 2605040), (164, 1953780), (205, 1563024), (240, 1335083), (246, 1302520), (328, 976890), (410, 781512), (492, 651260), (615, 521008), (656, 488445), (820, 390756), (984, 325630), (1230, 260504), (1640, 195378), (1968, 162815), (2460, 130252), (3280, 97689), (4920, 65126), (9840, 32563)]