30630280

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{983}}^1$

素因数の和:1054

約数の個数: 64

約数和(自身を含む): 74390400

約数和(自身を除く): 43760120

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 41, 76, 82, 95, 152, 164, 190, 205, 328, 380, 410, 760, 779, 820, 983, 1558, 1640, 1966, 3116, 3895, 3932, 4915, 6232, 7790, 7864, 9830, 15580, 18677, 19660, 31160, 37354, 39320, 40303, 74708, 80606, 93385, 149416, 161212, 186770, 201515, 322424, 373540, 403030, 747080, 765757, 806060, 1531514, 1612120, 3063028, 3828785, 6126056, 7657570, 15315140, 30630280]

約数ペア:

[(1, 30630280), (2, 15315140), (4, 7657570), (5, 6126056), (8, 3828785), (10, 3063028), (19, 1612120), (20, 1531514), (38, 806060), (40, 765757), (41, 747080), (76, 403030), (82, 373540), (95, 322424), (152, 201515), (164, 186770), (190, 161212), (205, 149416), (328, 93385), (380, 80606), (410, 74708), (760, 40303), (779, 39320), (820, 37354), (983, 31160), (1558, 19660), (1640, 18677), (1966, 15580), (3116, 9830), (3895, 7864), (3932, 7790), (4915, 6232)]