120301720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{281}}^1$

素因数の和:449

約数の個数: 128

約数和(自身を含む): 341107200

約数和(自身を除く): 220805480

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 139, 140, 154, 220, 278, 280, 281, 308, 385, 440, 556, 562, 616, 695, 770, 973, 1112, 1124, 1390, 1405, 1529, 1540, 1946, 1967, 2248, 2780, 2810, 3058, 3080, 3091, 3892, 3934, 4865, 5560, 5620, 6116, 6182, 7645, 7784, 7868, 9730, 9835, 10703, 11240, 12232, 12364, 15290, 15455, 15736, 19460, 19670, 21406, 21637, 24728, 30580, 30910, 38920, 39059, 39340, 42812, 43274, 53515, 61160, 61820, 78118, 78680, 85624, 86548, 107030, 108185, 123640, 156236, 173096, 195295, 214060, 216370, 273413, 312472, 390590, 428120, 429649, 432740, 546826, 781180, 859298, 865480, 1093652, 1367065, 1562360, 1718596, 2148245, 2187304, 2734130, 3007543, 3437192, 4296490, 5468260, 6015086, 8592980, 10936520, 12030172, 15037715, 17185960, 24060344, 30075430, 60150860, 120301720]

約数ペア:

[(1, 120301720), (2, 60150860), (4, 30075430), (5, 24060344), (7, 17185960), (8, 15037715), (10, 12030172), (11, 10936520), (14, 8592980), (20, 6015086), (22, 5468260), (28, 4296490), (35, 3437192), (40, 3007543), (44, 2734130), (55, 2187304), (56, 2148245), (70, 1718596), (77, 1562360), (88, 1367065), (110, 1093652), (139, 865480), (140, 859298), (154, 781180), (220, 546826), (278, 432740), (280, 429649), (281, 428120), (308, 390590), (385, 312472), (440, 273413), (556, 216370), (562, 214060), (616, 195295), (695, 173096), (770, 156236), (973, 123640), (1112, 108185), (1124, 107030), (1390, 86548), (1405, 85624), (1529, 78680), (1540, 78118), (1946, 61820), (1967, 61160), (2248, 53515), (2780, 43274), (2810, 42812), (3058, 39340), (3080, 39059), (3091, 38920), (3892, 30910), (3934, 30580), (4865, 24728), (5560, 21637), (5620, 21406), (6116, 19670), (6182, 19460), (7645, 15736), (7784, 15455), (7868, 15290), (9730, 12364), (9835, 12232), (10703, 11240)]