15315140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{983}}^1$

素因数の和:1052

約数の個数: 48

約数和(自身を含む): 34715520

約数和(自身を除く): 19400380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 41, 76, 82, 95, 164, 190, 205, 380, 410, 779, 820, 983, 1558, 1966, 3116, 3895, 3932, 4915, 7790, 9830, 15580, 18677, 19660, 37354, 40303, 74708, 80606, 93385, 161212, 186770, 201515, 373540, 403030, 765757, 806060, 1531514, 3063028, 3828785, 7657570, 15315140]

約数ペア:

[(1, 15315140), (2, 7657570), (4, 3828785), (5, 3063028), (10, 1531514), (19, 806060), (20, 765757), (38, 403030), (41, 373540), (76, 201515), (82, 186770), (95, 161212), (164, 93385), (190, 80606), (205, 74708), (380, 40303), (410, 37354), (779, 19660), (820, 18677), (983, 15580), (1558, 9830), (1966, 7790), (3116, 4915), (3895, 3932)]