81821600

素因数分解:

$2^5\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{769}}^1$

素因数の和:815

約数の個数: 144

約数和(自身を含む): 240609600

約数和(自身を除く): 158788000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 25, 28, 32, 35, 38, 40, 50, 56, 70, 76, 80, 95, 100, 112, 133, 140, 152, 160, 175, 190, 200, 224, 266, 280, 304, 350, 380, 400, 475, 532, 560, 608, 665, 700, 760, 769, 800, 950, 1064, 1120, 1330, 1400, 1520, 1538, 1900, 2128, 2660, 2800, 3040, 3076, 3325, 3800, 3845, 4256, 5320, 5383, 5600, 6152, 6650, 7600, 7690, 10640, 10766, 12304, 13300, 14611, 15200, 15380, 19225, 21280, 21532, 24608, 26600, 26915, 29222, 30760, 38450, 43064, 53200, 53830, 58444, 61520, 73055, 76900, 86128, 102277, 106400, 107660, 116888, 123040, 134575, 146110, 153800, 172256, 204554, 215320, 233776, 269150, 292220, 307600, 365275, 409108, 430640, 467552, 511385, 538300, 584440, 615200, 730550, 818216, 861280, 1022770, 1076600, 1168880, 1461100, 1636432, 2045540, 2153200, 2337760, 2556925, 2922200, 3272864, 4091080, 4306400, 5113850, 5844400, 8182160, 10227700, 11688800, 16364320, 20455400, 40910800, 81821600]

約数ペア:

[(1, 81821600), (2, 40910800), (4, 20455400), (5, 16364320), (7, 11688800), (8, 10227700), (10, 8182160), (14, 5844400), (16, 5113850), (19, 4306400), (20, 4091080), (25, 3272864), (28, 2922200), (32, 2556925), (35, 2337760), (38, 2153200), (40, 2045540), (50, 1636432), (56, 1461100), (70, 1168880), (76, 1076600), (80, 1022770), (95, 861280), (100, 818216), (112, 730550), (133, 615200), (140, 584440), (152, 538300), (160, 511385), (175, 467552), (190, 430640), (200, 409108), (224, 365275), (266, 307600), (280, 292220), (304, 269150), (350, 233776), (380, 215320), (400, 204554), (475, 172256), (532, 153800), (560, 146110), (608, 134575), (665, 123040), (700, 116888), (760, 107660), (769, 106400), (800, 102277), (950, 86128), (1064, 76900), (1120, 73055), (1330, 61520), (1400, 58444), (1520, 53830), (1538, 53200), (1900, 43064), (2128, 38450), (2660, 30760), (2800, 29222), (3040, 26915), (3076, 26600), (3325, 24608), (3800, 21532), (3845, 21280), (4256, 19225), (5320, 15380), (5383, 15200), (5600, 14611), (6152, 13300), (6650, 12304), (7600, 10766), (7690, 10640)]