7971660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{661}}^1$

素因数の和:743

約数の個数: 72

約数和(自身を含む): 24578736

約数和(自身を除く): 16607076

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 67, 90, 134, 180, 201, 268, 335, 402, 603, 661, 670, 804, 1005, 1206, 1322, 1340, 1983, 2010, 2412, 2644, 3015, 3305, 3966, 4020, 5949, 6030, 6610, 7932, 9915, 11898, 12060, 13220, 19830, 23796, 29745, 39660, 44287, 59490, 88574, 118980, 132861, 177148, 221435, 265722, 398583, 442870, 531444, 664305, 797166, 885740, 1328610, 1594332, 1992915, 2657220, 3985830, 7971660]

約数ペア:

[(1, 7971660), (2, 3985830), (3, 2657220), (4, 1992915), (5, 1594332), (6, 1328610), (9, 885740), (10, 797166), (12, 664305), (15, 531444), (18, 442870), (20, 398583), (30, 265722), (36, 221435), (45, 177148), (60, 132861), (67, 118980), (90, 88574), (134, 59490), (180, 44287), (201, 39660), (268, 29745), (335, 23796), (402, 19830), (603, 13220), (661, 12060), (670, 11898), (804, 9915), (1005, 7932), (1206, 6610), (1322, 6030), (1340, 5949), (1983, 4020), (2010, 3966), (2412, 3305), (2644, 3015)]