83710720

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^1\times {\mathrm{3847}}^1$

素因数の和:3885

約数の個数: 72

約数和(自身を含む): 212363424

約数和(自身を除く): 128652704

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 256, 272, 320, 340, 544, 640, 680, 1088, 1280, 1360, 2176, 2720, 3847, 4352, 5440, 7694, 10880, 15388, 19235, 21760, 30776, 38470, 61552, 65399, 76940, 123104, 130798, 153880, 246208, 261596, 307760, 326995, 492416, 523192, 615520, 653990, 984832, 1046384, 1231040, 1307980, 2092768, 2462080, 2615960, 4185536, 4924160, 5231920, 8371072, 10463840, 16742144, 20927680, 41855360, 83710720]

約数ペア:

[(1, 83710720), (2, 41855360), (4, 20927680), (5, 16742144), (8, 10463840), (10, 8371072), (16, 5231920), (17, 4924160), (20, 4185536), (32, 2615960), (34, 2462080), (40, 2092768), (64, 1307980), (68, 1231040), (80, 1046384), (85, 984832), (128, 653990), (136, 615520), (160, 523192), (170, 492416), (256, 326995), (272, 307760), (320, 261596), (340, 246208), (544, 153880), (640, 130798), (680, 123104), (1088, 76940), (1280, 65399), (1360, 61552), (2176, 38470), (2720, 30776), (3847, 21760), (4352, 19235), (5440, 15388), (7694, 10880)]