680286636

素因数分解:

$2^2\times 3^2\times {\mathrm{179}}^1\times {\mathrm{229}}^1\times {\mathrm{461}}^1$

素因数の和:879

約数の個数: 72

約数和(自身を含む): 1740538800

約数和(自身を除く): 1060252164

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 179, 229, 358, 458, 461, 537, 687, 716, 916, 922, 1074, 1374, 1383, 1611, 1844, 2061, 2148, 2748, 2766, 3222, 4122, 4149, 5532, 6444, 8244, 8298, 16596, 40991, 81982, 82519, 105569, 122973, 163964, 165038, 211138, 245946, 247557, 316707, 330076, 368919, 422276, 491892, 495114, 633414, 737838, 742671, 950121, 990228, 1266828, 1475676, 1485342, 1900242, 2970684, 3800484, 18896851, 37793702, 56690553, 75587404, 113381106, 170071659, 226762212, 340143318, 680286636]

約数ペア:

[(1, 680286636), (2, 340143318), (3, 226762212), (4, 170071659), (6, 113381106), (9, 75587404), (12, 56690553), (18, 37793702), (36, 18896851), (179, 3800484), (229, 2970684), (358, 1900242), (458, 1485342), (461, 1475676), (537, 1266828), (687, 990228), (716, 950121), (916, 742671), (922, 737838), (1074, 633414), (1374, 495114), (1383, 491892), (1611, 422276), (1844, 368919), (2061, 330076), (2148, 316707), (2748, 247557), (2766, 245946), (3222, 211138), (4122, 165038), (4149, 163964), (5532, 122973), (6444, 105569), (8244, 82519), (8298, 81982), (16596, 40991)]