20144280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{349}}^1$

素因数の和:413

約数の個数: 128

約数和(自身を含む): 67032000

約数和(自身を除く): 46887720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 37, 39, 40, 52, 60, 65, 74, 78, 104, 111, 120, 130, 148, 156, 185, 195, 222, 260, 296, 312, 349, 370, 390, 444, 481, 520, 555, 698, 740, 780, 888, 962, 1047, 1110, 1396, 1443, 1480, 1560, 1745, 1924, 2094, 2220, 2405, 2792, 2886, 3490, 3848, 4188, 4440, 4537, 4810, 5235, 5772, 6980, 7215, 8376, 9074, 9620, 10470, 11544, 12913, 13611, 13960, 14430, 18148, 19240, 20940, 22685, 25826, 27222, 28860, 36296, 38739, 41880, 45370, 51652, 54444, 57720, 64565, 68055, 77478, 90740, 103304, 108888, 129130, 136110, 154956, 167869, 181480, 193695, 258260, 272220, 309912, 335738, 387390, 503607, 516520, 544440, 671476, 774780, 839345, 1007214, 1342952, 1549560, 1678690, 2014428, 2518035, 3357380, 4028856, 5036070, 6714760, 10072140, 20144280]

約数ペア:

[(1, 20144280), (2, 10072140), (3, 6714760), (4, 5036070), (5, 4028856), (6, 3357380), (8, 2518035), (10, 2014428), (12, 1678690), (13, 1549560), (15, 1342952), (20, 1007214), (24, 839345), (26, 774780), (30, 671476), (37, 544440), (39, 516520), (40, 503607), (52, 387390), (60, 335738), (65, 309912), (74, 272220), (78, 258260), (104, 193695), (111, 181480), (120, 167869), (130, 154956), (148, 136110), (156, 129130), (185, 108888), (195, 103304), (222, 90740), (260, 77478), (296, 68055), (312, 64565), (349, 57720), (370, 54444), (390, 51652), (444, 45370), (481, 41880), (520, 38739), (555, 36296), (698, 28860), (740, 27222), (780, 25826), (888, 22685), (962, 20940), (1047, 19240), (1110, 18148), (1396, 14430), (1443, 13960), (1480, 13611), (1560, 12913), (1745, 11544), (1924, 10470), (2094, 9620), (2220, 9074), (2405, 8376), (2792, 7215), (2886, 6980), (3490, 5772), (3848, 5235), (4188, 4810), (4440, 4537)]