15386960

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{191}}^1$

素因数の和:276

約数の個数: 80

約数和(自身を含む): 38568960

約数和(自身を除く): 23182000

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 53, 76, 80, 95, 106, 152, 190, 191, 212, 265, 304, 380, 382, 424, 530, 760, 764, 848, 955, 1007, 1060, 1520, 1528, 1910, 2014, 2120, 3056, 3629, 3820, 4028, 4240, 5035, 7258, 7640, 8056, 10070, 10123, 14516, 15280, 16112, 18145, 20140, 20246, 29032, 36290, 40280, 40492, 50615, 58064, 72580, 80560, 80984, 101230, 145160, 161968, 192337, 202460, 290320, 384674, 404920, 769348, 809840, 961685, 1538696, 1923370, 3077392, 3846740, 7693480, 15386960]

約数ペア:

[(1, 15386960), (2, 7693480), (4, 3846740), (5, 3077392), (8, 1923370), (10, 1538696), (16, 961685), (19, 809840), (20, 769348), (38, 404920), (40, 384674), (53, 290320), (76, 202460), (80, 192337), (95, 161968), (106, 145160), (152, 101230), (190, 80984), (191, 80560), (212, 72580), (265, 58064), (304, 50615), (380, 40492), (382, 40280), (424, 36290), (530, 29032), (760, 20246), (764, 20140), (848, 18145), (955, 16112), (1007, 15280), (1060, 14516), (1520, 10123), (1528, 10070), (1910, 8056), (2014, 7640), (2120, 7258), (3056, 5035), (3629, 4240), (3820, 4028)]