163212800

素因数分解:

$2^9\times 5^2\times {\mathrm{41}}^1\times {\mathrm{311}}^1$

素因数の和:380

約数の個数: 120

約数和(自身を含む): 415567152

約数和(自身を除く): 252354352

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 41, 50, 64, 80, 82, 100, 128, 160, 164, 200, 205, 256, 311, 320, 328, 400, 410, 512, 622, 640, 656, 800, 820, 1025, 1244, 1280, 1312, 1555, 1600, 1640, 2050, 2488, 2560, 2624, 3110, 3200, 3280, 4100, 4976, 5248, 6220, 6400, 6560, 7775, 8200, 9952, 10496, 12440, 12751, 12800, 13120, 15550, 16400, 19904, 20992, 24880, 25502, 26240, 31100, 32800, 39808, 49760, 51004, 52480, 62200, 63755, 65600, 79616, 99520, 102008, 104960, 124400, 127510, 131200, 159232, 199040, 204016, 248800, 255020, 262400, 318775, 398080, 408032, 497600, 510040, 524800, 637550, 796160, 816064, 995200, 1020080, 1275100, 1632128, 1990400, 2040160, 2550200, 3264256, 3980800, 4080320, 5100400, 6528512, 8160640, 10200800, 16321280, 20401600, 32642560, 40803200, 81606400, 163212800]

約数ペア:

[(1, 163212800), (2, 81606400), (4, 40803200), (5, 32642560), (8, 20401600), (10, 16321280), (16, 10200800), (20, 8160640), (25, 6528512), (32, 5100400), (40, 4080320), (41, 3980800), (50, 3264256), (64, 2550200), (80, 2040160), (82, 1990400), (100, 1632128), (128, 1275100), (160, 1020080), (164, 995200), (200, 816064), (205, 796160), (256, 637550), (311, 524800), (320, 510040), (328, 497600), (400, 408032), (410, 398080), (512, 318775), (622, 262400), (640, 255020), (656, 248800), (800, 204016), (820, 199040), (1025, 159232), (1244, 131200), (1280, 127510), (1312, 124400), (1555, 104960), (1600, 102008), (1640, 99520), (2050, 79616), (2488, 65600), (2560, 63755), (2624, 62200), (3110, 52480), (3200, 51004), (3280, 49760), (4100, 39808), (4976, 32800), (5248, 31100), (6220, 26240), (6400, 25502), (6560, 24880), (7775, 20992), (8200, 19904), (9952, 16400), (10496, 15550), (12440, 13120), (12751, 12800)]