15532120

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{191}}^1$

素因数の和:328

約数の個数: 64

約数和(自身を含む): 37324800

約数和(自身を除く): 21792680

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 107, 152, 190, 191, 214, 380, 382, 428, 535, 760, 764, 856, 955, 1070, 1528, 1910, 2033, 2140, 3629, 3820, 4066, 4280, 7258, 7640, 8132, 10165, 14516, 16264, 18145, 20330, 20437, 29032, 36290, 40660, 40874, 72580, 81320, 81748, 102185, 145160, 163496, 204370, 388303, 408740, 776606, 817480, 1553212, 1941515, 3106424, 3883030, 7766060, 15532120]

約数ペア:

[(1, 15532120), (2, 7766060), (4, 3883030), (5, 3106424), (8, 1941515), (10, 1553212), (19, 817480), (20, 776606), (38, 408740), (40, 388303), (76, 204370), (95, 163496), (107, 145160), (152, 102185), (190, 81748), (191, 81320), (214, 72580), (380, 40874), (382, 40660), (428, 36290), (535, 29032), (760, 20437), (764, 20330), (856, 18145), (955, 16264), (1070, 14516), (1528, 10165), (1910, 8132), (2033, 7640), (2140, 7258), (3629, 4280), (3820, 4066)]