168280840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{557}}^1$

素因数の和:671

約数の個数: 128

約数和(自身を含む): 472469760

約数和(自身を除く): 304188920

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 83, 91, 104, 130, 140, 166, 182, 260, 280, 332, 364, 415, 455, 520, 557, 581, 664, 728, 830, 910, 1079, 1114, 1162, 1660, 1820, 2158, 2228, 2324, 2785, 2905, 3320, 3640, 3899, 4316, 4456, 4648, 5395, 5570, 5810, 7241, 7553, 7798, 8632, 10790, 11140, 11620, 14482, 15106, 15596, 19495, 21580, 22280, 23240, 28964, 30212, 31192, 36205, 37765, 38990, 43160, 46231, 50687, 57928, 60424, 72410, 75530, 77980, 92462, 101374, 144820, 151060, 155960, 184924, 202748, 231155, 253435, 289640, 302120, 323617, 369848, 405496, 462310, 506870, 601003, 647234, 924620, 1013740, 1202006, 1294468, 1618085, 1849240, 2027480, 2404012, 2588936, 3005015, 3236170, 4207021, 4808024, 6010030, 6472340, 8414042, 12020060, 12944680, 16828084, 21035105, 24040120, 33656168, 42070210, 84140420, 168280840]

約数ペア:

[(1, 168280840), (2, 84140420), (4, 42070210), (5, 33656168), (7, 24040120), (8, 21035105), (10, 16828084), (13, 12944680), (14, 12020060), (20, 8414042), (26, 6472340), (28, 6010030), (35, 4808024), (40, 4207021), (52, 3236170), (56, 3005015), (65, 2588936), (70, 2404012), (83, 2027480), (91, 1849240), (104, 1618085), (130, 1294468), (140, 1202006), (166, 1013740), (182, 924620), (260, 647234), (280, 601003), (332, 506870), (364, 462310), (415, 405496), (455, 369848), (520, 323617), (557, 302120), (581, 289640), (664, 253435), (728, 231155), (830, 202748), (910, 184924), (1079, 155960), (1114, 151060), (1162, 144820), (1660, 101374), (1820, 92462), (2158, 77980), (2228, 75530), (2324, 72410), (2785, 60424), (2905, 57928), (3320, 50687), (3640, 46231), (3899, 43160), (4316, 38990), (4456, 37765), (4648, 36205), (5395, 31192), (5570, 30212), (5810, 28964), (7241, 23240), (7553, 22280), (7798, 21580), (8632, 19495), (10790, 15596), (11140, 15106), (11620, 14482)]