66398080

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{14821}}^1$

素因数の和:14847

約数の個数: 64

約数和(自身を含む): 181421280

約数和(自身を除く): 115023200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 448, 560, 640, 896, 1120, 2240, 4480, 14821, 29642, 59284, 74105, 103747, 118568, 148210, 207494, 237136, 296420, 414988, 474272, 518735, 592840, 829976, 948544, 1037470, 1185680, 1659952, 1897088, 2074940, 2371360, 3319904, 4149880, 4742720, 6639808, 8299760, 9485440, 13279616, 16599520, 33199040, 66398080]

約数ペア:

[(1, 66398080), (2, 33199040), (4, 16599520), (5, 13279616), (7, 9485440), (8, 8299760), (10, 6639808), (14, 4742720), (16, 4149880), (20, 3319904), (28, 2371360), (32, 2074940), (35, 1897088), (40, 1659952), (56, 1185680), (64, 1037470), (70, 948544), (80, 829976), (112, 592840), (128, 518735), (140, 474272), (160, 414988), (224, 296420), (280, 237136), (320, 207494), (448, 148210), (560, 118568), (640, 103747), (896, 74105), (1120, 59284), (2240, 29642), (4480, 14821)]