207927040

素因数分解:

$2^8\times 5^1\times {\mathrm{61}}^1\times {\mathrm{2663}}^1$

素因数の和:2745

約数の個数: 72

約数和(自身を含む): 506405088

約数和(自身を除く): 298478048

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 128, 160, 244, 256, 305, 320, 488, 610, 640, 976, 1220, 1280, 1952, 2440, 2663, 3904, 4880, 5326, 7808, 9760, 10652, 13315, 15616, 19520, 21304, 26630, 39040, 42608, 53260, 78080, 85216, 106520, 162443, 170432, 213040, 324886, 340864, 426080, 649772, 681728, 812215, 852160, 1299544, 1624430, 1704320, 2599088, 3248860, 3408640, 5198176, 6497720, 10396352, 12995440, 20792704, 25990880, 41585408, 51981760, 103963520, 207927040]

約数ペア:

[(1, 207927040), (2, 103963520), (4, 51981760), (5, 41585408), (8, 25990880), (10, 20792704), (16, 12995440), (20, 10396352), (32, 6497720), (40, 5198176), (61, 3408640), (64, 3248860), (80, 2599088), (122, 1704320), (128, 1624430), (160, 1299544), (244, 852160), (256, 812215), (305, 681728), (320, 649772), (488, 426080), (610, 340864), (640, 324886), (976, 213040), (1220, 170432), (1280, 162443), (1952, 106520), (2440, 85216), (2663, 78080), (3904, 53260), (4880, 42608), (5326, 39040), (7808, 26630), (9760, 21304), (10652, 19520), (13315, 15616)]