31820730

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{431}}^1$

素因数の和:571

約数の個数: 64

約数和(自身を含む): 80621568

約数和(自身を除く): 48800838

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 107, 115, 138, 214, 230, 321, 345, 431, 535, 642, 690, 862, 1070, 1293, 1605, 2155, 2461, 2586, 3210, 4310, 4922, 6465, 7383, 9913, 12305, 12930, 14766, 19826, 24610, 29739, 36915, 46117, 49565, 59478, 73830, 92234, 99130, 138351, 148695, 230585, 276702, 297390, 461170, 691755, 1060691, 1383510, 2121382, 3182073, 5303455, 6364146, 10606910, 15910365, 31820730]

約数ペア:

[(1, 31820730), (2, 15910365), (3, 10606910), (5, 6364146), (6, 5303455), (10, 3182073), (15, 2121382), (23, 1383510), (30, 1060691), (46, 691755), (69, 461170), (107, 297390), (115, 276702), (138, 230585), (214, 148695), (230, 138351), (321, 99130), (345, 92234), (431, 73830), (535, 59478), (642, 49565), (690, 46117), (862, 36915), (1070, 29739), (1293, 24610), (1605, 19826), (2155, 14766), (2461, 12930), (2586, 12305), (3210, 9913), (4310, 7383), (4922, 6465)]