131281080

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{373}}^1\times {\mathrm{419}}^1$

素因数の和:813

約数の個数: 128

約数和(自身を含む): 452390400

約数和(自身を除く): 321109320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 373, 419, 420, 746, 838, 840, 1119, 1257, 1492, 1676, 1865, 2095, 2238, 2514, 2611, 2933, 2984, 3352, 3730, 4190, 4476, 5028, 5222, 5595, 5866, 6285, 7460, 7833, 8380, 8799, 8952, 10056, 10444, 11190, 11732, 12570, 13055, 14665, 14920, 15666, 16760, 17598, 20888, 22380, 23464, 25140, 26110, 29330, 31332, 35196, 39165, 43995, 44760, 50280, 52220, 58660, 62664, 70392, 78330, 87990, 104440, 117320, 156287, 156660, 175980, 312574, 313320, 351960, 468861, 625148, 781435, 937722, 1094009, 1250296, 1562870, 1875444, 2188018, 2344305, 3125740, 3282027, 3750888, 4376036, 4688610, 5470045, 6251480, 6564054, 8752072, 9377220, 10940090, 13128108, 16410135, 18754440, 21880180, 26256216, 32820270, 43760360, 65640540, 131281080]

約数ペア:

[(1, 131281080), (2, 65640540), (3, 43760360), (4, 32820270), (5, 26256216), (6, 21880180), (7, 18754440), (8, 16410135), (10, 13128108), (12, 10940090), (14, 9377220), (15, 8752072), (20, 6564054), (21, 6251480), (24, 5470045), (28, 4688610), (30, 4376036), (35, 3750888), (40, 3282027), (42, 3125740), (56, 2344305), (60, 2188018), (70, 1875444), (84, 1562870), (105, 1250296), (120, 1094009), (140, 937722), (168, 781435), (210, 625148), (280, 468861), (373, 351960), (419, 313320), (420, 312574), (746, 175980), (838, 156660), (840, 156287), (1119, 117320), (1257, 104440), (1492, 87990), (1676, 78330), (1865, 70392), (2095, 62664), (2238, 58660), (2514, 52220), (2611, 50280), (2933, 44760), (2984, 43995), (3352, 39165), (3730, 35196), (4190, 31332), (4476, 29330), (5028, 26110), (5222, 25140), (5595, 23464), (5866, 22380), (6285, 20888), (7460, 17598), (7833, 16760), (8380, 15666), (8799, 14920), (8952, 14665), (10056, 13055), (10444, 12570), (11190, 11732)]