663680

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1$

素因数の和:97

約数の個数: 64

約数和(自身を含む): 1707480

約数和(自身を除く): 1043800

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 61, 64, 68, 80, 85, 122, 128, 136, 160, 170, 244, 272, 305, 320, 340, 488, 544, 610, 640, 680, 976, 1037, 1088, 1220, 1360, 1952, 2074, 2176, 2440, 2720, 3904, 4148, 4880, 5185, 5440, 7808, 8296, 9760, 10370, 10880, 16592, 19520, 20740, 33184, 39040, 41480, 66368, 82960, 132736, 165920, 331840, 663680]

約数ペア:

[(1, 663680), (2, 331840), (4, 165920), (5, 132736), (8, 82960), (10, 66368), (16, 41480), (17, 39040), (20, 33184), (32, 20740), (34, 19520), (40, 16592), (61, 10880), (64, 10370), (68, 9760), (80, 8296), (85, 7808), (122, 5440), (128, 5185), (136, 4880), (160, 4148), (170, 3904), (244, 2720), (272, 2440), (305, 2176), (320, 2074), (340, 1952), (488, 1360), (544, 1220), (610, 1088), (640, 1037), (680, 976)]