12990630

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{281}}^1$

素因数の和:381

約数の個数: 64

約数和(自身を含む): 33136128

約数和(自身を除く): 20145498

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 67, 69, 115, 134, 138, 201, 230, 281, 335, 345, 402, 562, 670, 690, 843, 1005, 1405, 1541, 1686, 2010, 2810, 3082, 4215, 4623, 6463, 7705, 8430, 9246, 12926, 15410, 18827, 19389, 23115, 32315, 37654, 38778, 46230, 56481, 64630, 94135, 96945, 112962, 188270, 193890, 282405, 433021, 564810, 866042, 1299063, 2165105, 2598126, 4330210, 6495315, 12990630]

約数ペア:

[(1, 12990630), (2, 6495315), (3, 4330210), (5, 2598126), (6, 2165105), (10, 1299063), (15, 866042), (23, 564810), (30, 433021), (46, 282405), (67, 193890), (69, 188270), (115, 112962), (134, 96945), (138, 94135), (201, 64630), (230, 56481), (281, 46230), (335, 38778), (345, 37654), (402, 32315), (562, 23115), (670, 19389), (690, 18827), (843, 15410), (1005, 12926), (1405, 9246), (1541, 8430), (1686, 7705), (2010, 6463), (2810, 4623), (3082, 4215)]