78466440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{281}}^1$

素因数の和:487

約数の個数: 128

約数和(自身を含む): 255830400

約数和(自身を除く): 177363960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 179, 195, 260, 281, 312, 358, 390, 520, 537, 562, 716, 780, 843, 895, 1074, 1124, 1405, 1432, 1560, 1686, 1790, 2148, 2248, 2327, 2685, 2810, 3372, 3580, 3653, 4215, 4296, 4654, 5370, 5620, 6744, 6981, 7160, 7306, 8430, 9308, 10740, 10959, 11240, 11635, 13962, 14612, 16860, 18265, 18616, 21480, 21918, 23270, 27924, 29224, 33720, 34905, 36530, 43836, 46540, 50299, 54795, 55848, 69810, 73060, 87672, 93080, 100598, 109590, 139620, 146120, 150897, 201196, 219180, 251495, 279240, 301794, 402392, 438360, 502990, 603588, 653887, 754485, 1005980, 1207176, 1307774, 1508970, 1961661, 2011960, 2615548, 3017940, 3269435, 3923322, 5231096, 6035880, 6538870, 7846644, 9808305, 13077740, 15693288, 19616610, 26155480, 39233220, 78466440]

約数ペア:

[(1, 78466440), (2, 39233220), (3, 26155480), (4, 19616610), (5, 15693288), (6, 13077740), (8, 9808305), (10, 7846644), (12, 6538870), (13, 6035880), (15, 5231096), (20, 3923322), (24, 3269435), (26, 3017940), (30, 2615548), (39, 2011960), (40, 1961661), (52, 1508970), (60, 1307774), (65, 1207176), (78, 1005980), (104, 754485), (120, 653887), (130, 603588), (156, 502990), (179, 438360), (195, 402392), (260, 301794), (281, 279240), (312, 251495), (358, 219180), (390, 201196), (520, 150897), (537, 146120), (562, 139620), (716, 109590), (780, 100598), (843, 93080), (895, 87672), (1074, 73060), (1124, 69810), (1405, 55848), (1432, 54795), (1560, 50299), (1686, 46540), (1790, 43836), (2148, 36530), (2248, 34905), (2327, 33720), (2685, 29224), (2810, 27924), (3372, 23270), (3580, 21918), (3653, 21480), (4215, 18616), (4296, 18265), (4654, 16860), (5370, 14612), (5620, 13962), (6744, 11635), (6981, 11240), (7160, 10959), (7306, 10740), (8430, 9308)]