7278320

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{317}}^1$

素因数の和:378

約数の個数: 80

約数和(自身を含む): 19873728

約数和(自身を除く): 12595408

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 41, 56, 70, 80, 82, 112, 140, 164, 205, 280, 287, 317, 328, 410, 560, 574, 634, 656, 820, 1148, 1268, 1435, 1585, 1640, 2219, 2296, 2536, 2870, 3170, 3280, 4438, 4592, 5072, 5740, 6340, 8876, 11095, 11480, 12680, 12997, 17752, 22190, 22960, 25360, 25994, 35504, 44380, 51988, 64985, 88760, 90979, 103976, 129970, 177520, 181958, 207952, 259940, 363916, 454895, 519880, 727832, 909790, 1039760, 1455664, 1819580, 3639160, 7278320]

約数ペア:

[(1, 7278320), (2, 3639160), (4, 1819580), (5, 1455664), (7, 1039760), (8, 909790), (10, 727832), (14, 519880), (16, 454895), (20, 363916), (28, 259940), (35, 207952), (40, 181958), (41, 177520), (56, 129970), (70, 103976), (80, 90979), (82, 88760), (112, 64985), (140, 51988), (164, 44380), (205, 35504), (280, 25994), (287, 25360), (317, 22960), (328, 22190), (410, 17752), (560, 12997), (574, 12680), (634, 11480), (656, 11095), (820, 8876), (1148, 6340), (1268, 5740), (1435, 5072), (1585, 4592), (1640, 4438), (2219, 3280), (2296, 3170), (2536, 2870)]