664430080

素因数分解:

$2^9\times 5^1\times {\mathrm{461}}^1\times {\mathrm{563}}^1$

素因数の和:1047

約数の個数: 80

約数和(自身を含む): 1599366384

約数和(自身を除く): 934936304

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 461, 512, 563, 640, 922, 1126, 1280, 1844, 2252, 2305, 2560, 2815, 3688, 4504, 4610, 5630, 7376, 9008, 9220, 11260, 14752, 18016, 18440, 22520, 29504, 36032, 36880, 45040, 59008, 72064, 73760, 90080, 118016, 144128, 147520, 180160, 236032, 259543, 288256, 295040, 360320, 519086, 590080, 720640, 1038172, 1180160, 1297715, 1441280, 2076344, 2595430, 4152688, 5190860, 8305376, 10381720, 16610752, 20763440, 33221504, 41526880, 66443008, 83053760, 132886016, 166107520, 332215040, 664430080]

約数ペア:

[(1, 664430080), (2, 332215040), (4, 166107520), (5, 132886016), (8, 83053760), (10, 66443008), (16, 41526880), (20, 33221504), (32, 20763440), (40, 16610752), (64, 10381720), (80, 8305376), (128, 5190860), (160, 4152688), (256, 2595430), (320, 2076344), (461, 1441280), (512, 1297715), (563, 1180160), (640, 1038172), (922, 720640), (1126, 590080), (1280, 519086), (1844, 360320), (2252, 295040), (2305, 288256), (2560, 259543), (2815, 236032), (3688, 180160), (4504, 147520), (4610, 144128), (5630, 118016), (7376, 90080), (9008, 73760), (9220, 72064), (11260, 59008), (14752, 45040), (18016, 36880), (18440, 36032), (22520, 29504)]