61726280

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{409}}^1$

素因数の和:452

約数の個数: 128

約数和(自身を含む): 177120000

約数和(自身を除く): 115393720

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 49, 55, 56, 70, 77, 88, 98, 110, 140, 154, 196, 220, 245, 280, 308, 343, 385, 392, 409, 440, 490, 539, 616, 686, 770, 818, 980, 1078, 1372, 1540, 1636, 1715, 1960, 2045, 2156, 2695, 2744, 2863, 3080, 3272, 3430, 3773, 4090, 4312, 4499, 5390, 5726, 6860, 7546, 8180, 8998, 10780, 11452, 13720, 14315, 15092, 16360, 17996, 18865, 20041, 21560, 22495, 22904, 28630, 30184, 31493, 35992, 37730, 40082, 44990, 57260, 62986, 75460, 80164, 89980, 100205, 114520, 125972, 140287, 150920, 157465, 160328, 179960, 200410, 220451, 251944, 280574, 314930, 400820, 440902, 561148, 629860, 701435, 801640, 881804, 1102255, 1122296, 1259720, 1402870, 1543157, 1763608, 2204510, 2805740, 3086314, 4409020, 5611480, 6172628, 7715785, 8818040, 12345256, 15431570, 30863140, 61726280]

約数ペア:

[(1, 61726280), (2, 30863140), (4, 15431570), (5, 12345256), (7, 8818040), (8, 7715785), (10, 6172628), (11, 5611480), (14, 4409020), (20, 3086314), (22, 2805740), (28, 2204510), (35, 1763608), (40, 1543157), (44, 1402870), (49, 1259720), (55, 1122296), (56, 1102255), (70, 881804), (77, 801640), (88, 701435), (98, 629860), (110, 561148), (140, 440902), (154, 400820), (196, 314930), (220, 280574), (245, 251944), (280, 220451), (308, 200410), (343, 179960), (385, 160328), (392, 157465), (409, 150920), (440, 140287), (490, 125972), (539, 114520), (616, 100205), (686, 89980), (770, 80164), (818, 75460), (980, 62986), (1078, 57260), (1372, 44990), (1540, 40082), (1636, 37730), (1715, 35992), (1960, 31493), (2045, 30184), (2156, 28630), (2695, 22904), (2744, 22495), (2863, 21560), (3080, 20041), (3272, 18865), (3430, 17996), (3773, 16360), (4090, 15092), (4312, 14315), (4499, 13720), (5390, 11452), (5726, 10780), (6860, 8998), (7546, 8180)]