11991280

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1$

素因数の和:76

約数の個数: 160

約数和(自身を含む): 35712000

約数和(自身を除く): 23720720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 23, 28, 35, 38, 40, 46, 49, 56, 70, 76, 80, 92, 95, 98, 112, 115, 133, 140, 152, 161, 184, 190, 196, 230, 245, 266, 280, 304, 322, 343, 368, 380, 392, 437, 460, 490, 532, 560, 644, 665, 686, 760, 784, 805, 874, 920, 931, 980, 1064, 1127, 1288, 1330, 1372, 1520, 1610, 1715, 1748, 1840, 1862, 1960, 2128, 2185, 2254, 2576, 2660, 2744, 3059, 3220, 3430, 3496, 3724, 3920, 4370, 4508, 4655, 5320, 5488, 5635, 6118, 6440, 6517, 6860, 6992, 7448, 7889, 8740, 9016, 9310, 10640, 11270, 12236, 12880, 13034, 13720, 14896, 15295, 15778, 17480, 18032, 18620, 21413, 22540, 24472, 26068, 27440, 30590, 31556, 32585, 34960, 37240, 39445, 42826, 45080, 48944, 52136, 61180, 63112, 65170, 74480, 78890, 85652, 90160, 104272, 107065, 122360, 126224, 130340, 149891, 157780, 171304, 214130, 244720, 260680, 299782, 315560, 342608, 428260, 521360, 599564, 631120, 749455, 856520, 1199128, 1498910, 1713040, 2398256, 2997820, 5995640, 11991280]

約数ペア:

[(1, 11991280), (2, 5995640), (4, 2997820), (5, 2398256), (7, 1713040), (8, 1498910), (10, 1199128), (14, 856520), (16, 749455), (19, 631120), (20, 599564), (23, 521360), (28, 428260), (35, 342608), (38, 315560), (40, 299782), (46, 260680), (49, 244720), (56, 214130), (70, 171304), (76, 157780), (80, 149891), (92, 130340), (95, 126224), (98, 122360), (112, 107065), (115, 104272), (133, 90160), (140, 85652), (152, 78890), (161, 74480), (184, 65170), (190, 63112), (196, 61180), (230, 52136), (245, 48944), (266, 45080), (280, 42826), (304, 39445), (322, 37240), (343, 34960), (368, 32585), (380, 31556), (392, 30590), (437, 27440), (460, 26068), (490, 24472), (532, 22540), (560, 21413), (644, 18620), (665, 18032), (686, 17480), (760, 15778), (784, 15295), (805, 14896), (874, 13720), (920, 13034), (931, 12880), (980, 12236), (1064, 11270), (1127, 10640), (1288, 9310), (1330, 9016), (1372, 8740), (1520, 7889), (1610, 7448), (1715, 6992), (1748, 6860), (1840, 6517), (1862, 6440), (1960, 6118), (2128, 5635), (2185, 5488), (2254, 5320), (2576, 4655), (2660, 4508), (2744, 4370), (3059, 3920), (3220, 3724), (3430, 3496)]