90678280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{499}}^1$

素因数の和:587

約数の個数: 128

約数和(自身を含む): 259200000

約数和(自身を除く): 168521720

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 59, 70, 77, 88, 110, 118, 140, 154, 220, 236, 280, 295, 308, 385, 413, 440, 472, 499, 590, 616, 649, 770, 826, 998, 1180, 1298, 1540, 1652, 1996, 2065, 2360, 2495, 2596, 3080, 3245, 3304, 3493, 3992, 4130, 4543, 4990, 5192, 5489, 6490, 6986, 8260, 9086, 9980, 10978, 12980, 13972, 16520, 17465, 18172, 19960, 21956, 22715, 25960, 27445, 27944, 29441, 34930, 36344, 38423, 43912, 45430, 54890, 58882, 69860, 76846, 90860, 109780, 117764, 139720, 147205, 153692, 181720, 192115, 206087, 219560, 235528, 294410, 307384, 323851, 384230, 412174, 588820, 647702, 768460, 824348, 1030435, 1177640, 1295404, 1536920, 1619255, 1648696, 2060870, 2266957, 2590808, 3238510, 4121740, 4533914, 6477020, 8243480, 9067828, 11334785, 12954040, 18135656, 22669570, 45339140, 90678280]

約数ペア:

[(1, 90678280), (2, 45339140), (4, 22669570), (5, 18135656), (7, 12954040), (8, 11334785), (10, 9067828), (11, 8243480), (14, 6477020), (20, 4533914), (22, 4121740), (28, 3238510), (35, 2590808), (40, 2266957), (44, 2060870), (55, 1648696), (56, 1619255), (59, 1536920), (70, 1295404), (77, 1177640), (88, 1030435), (110, 824348), (118, 768460), (140, 647702), (154, 588820), (220, 412174), (236, 384230), (280, 323851), (295, 307384), (308, 294410), (385, 235528), (413, 219560), (440, 206087), (472, 192115), (499, 181720), (590, 153692), (616, 147205), (649, 139720), (770, 117764), (826, 109780), (998, 90860), (1180, 76846), (1298, 69860), (1540, 58882), (1652, 54890), (1996, 45430), (2065, 43912), (2360, 38423), (2495, 36344), (2596, 34930), (3080, 29441), (3245, 27944), (3304, 27445), (3493, 25960), (3992, 22715), (4130, 21956), (4543, 19960), (4990, 18172), (5192, 17465), (5489, 16520), (6490, 13972), (6986, 12980), (8260, 10978), (9086, 9980)]