82976800

素因数分解:

$2^5\times 5^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1$

素因数の和:195

約数の個数: 144

約数和(自身を含む): 219360960

約数和(自身を除く): 136384160

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 32, 38, 40, 50, 53, 76, 80, 95, 100, 103, 106, 152, 160, 190, 200, 206, 212, 265, 304, 380, 400, 412, 424, 475, 515, 530, 608, 760, 800, 824, 848, 950, 1007, 1030, 1060, 1325, 1520, 1648, 1696, 1900, 1957, 2014, 2060, 2120, 2575, 2650, 3040, 3296, 3800, 3914, 4028, 4120, 4240, 5035, 5150, 5300, 5459, 7600, 7828, 8056, 8240, 8480, 9785, 10070, 10300, 10600, 10918, 15200, 15656, 16112, 16480, 19570, 20140, 20600, 21200, 21836, 25175, 27295, 31312, 32224, 39140, 40280, 41200, 42400, 43672, 48925, 50350, 54590, 62624, 78280, 80560, 82400, 87344, 97850, 100700, 103721, 109180, 136475, 156560, 161120, 174688, 195700, 201400, 207442, 218360, 272950, 313120, 391400, 402800, 414884, 436720, 518605, 545900, 782800, 805600, 829768, 873440, 1037210, 1091800, 1565600, 1659536, 2074420, 2183600, 2593025, 3319072, 4148840, 4367200, 5186050, 8297680, 10372100, 16595360, 20744200, 41488400, 82976800]

約数ペア:

[(1, 82976800), (2, 41488400), (4, 20744200), (5, 16595360), (8, 10372100), (10, 8297680), (16, 5186050), (19, 4367200), (20, 4148840), (25, 3319072), (32, 2593025), (38, 2183600), (40, 2074420), (50, 1659536), (53, 1565600), (76, 1091800), (80, 1037210), (95, 873440), (100, 829768), (103, 805600), (106, 782800), (152, 545900), (160, 518605), (190, 436720), (200, 414884), (206, 402800), (212, 391400), (265, 313120), (304, 272950), (380, 218360), (400, 207442), (412, 201400), (424, 195700), (475, 174688), (515, 161120), (530, 156560), (608, 136475), (760, 109180), (800, 103721), (824, 100700), (848, 97850), (950, 87344), (1007, 82400), (1030, 80560), (1060, 78280), (1325, 62624), (1520, 54590), (1648, 50350), (1696, 48925), (1900, 43672), (1957, 42400), (2014, 41200), (2060, 40280), (2120, 39140), (2575, 32224), (2650, 31312), (3040, 27295), (3296, 25175), (3800, 21836), (3914, 21200), (4028, 20600), (4120, 20140), (4240, 19570), (5035, 16480), (5150, 16112), (5300, 15656), (5459, 15200), (7600, 10918), (7828, 10600), (8056, 10300), (8240, 10070), (8480, 9785)]