81832800

素因数分解:

$2^5\times 3^1\times 5^2\times 7^1\times {\mathrm{4871}}^1$

素因数の和:4901

約数の個数: 144

約数和(自身を含む): 304480512

約数和(自身を除く): 222647712

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 25, 28, 30, 32, 35, 40, 42, 48, 50, 56, 60, 70, 75, 80, 84, 96, 100, 105, 112, 120, 140, 150, 160, 168, 175, 200, 210, 224, 240, 280, 300, 336, 350, 400, 420, 480, 525, 560, 600, 672, 700, 800, 840, 1050, 1120, 1200, 1400, 1680, 2100, 2400, 2800, 3360, 4200, 4871, 5600, 8400, 9742, 14613, 16800, 19484, 24355, 29226, 34097, 38968, 48710, 58452, 68194, 73065, 77936, 97420, 102291, 116904, 121775, 136388, 146130, 155872, 170485, 194840, 204582, 233808, 243550, 272776, 292260, 340970, 365325, 389680, 409164, 467616, 487100, 511455, 545552, 584520, 681940, 730650, 779360, 818328, 852425, 974200, 1022910, 1091104, 1169040, 1363880, 1461300, 1636656, 1704850, 1948400, 2045820, 2338080, 2557275, 2727760, 2922600, 3273312, 3409700, 3896800, 4091640, 5114550, 5455520, 5845200, 6819400, 8183280, 10229100, 11690400, 13638800, 16366560, 20458200, 27277600, 40916400, 81832800]

約数ペア:

[(1, 81832800), (2, 40916400), (3, 27277600), (4, 20458200), (5, 16366560), (6, 13638800), (7, 11690400), (8, 10229100), (10, 8183280), (12, 6819400), (14, 5845200), (15, 5455520), (16, 5114550), (20, 4091640), (21, 3896800), (24, 3409700), (25, 3273312), (28, 2922600), (30, 2727760), (32, 2557275), (35, 2338080), (40, 2045820), (42, 1948400), (48, 1704850), (50, 1636656), (56, 1461300), (60, 1363880), (70, 1169040), (75, 1091104), (80, 1022910), (84, 974200), (96, 852425), (100, 818328), (105, 779360), (112, 730650), (120, 681940), (140, 584520), (150, 545552), (160, 511455), (168, 487100), (175, 467616), (200, 409164), (210, 389680), (224, 365325), (240, 340970), (280, 292260), (300, 272776), (336, 243550), (350, 233808), (400, 204582), (420, 194840), (480, 170485), (525, 155872), (560, 146130), (600, 136388), (672, 121775), (700, 116904), (800, 102291), (840, 97420), (1050, 77936), (1120, 73065), (1200, 68194), (1400, 58452), (1680, 48710), (2100, 38968), (2400, 34097), (2800, 29226), (3360, 24355), (4200, 19484), (4871, 16800), (5600, 14613), (8400, 9742)]