15381940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{281}}^1$

素因数の和:337

約数の個数: 96

約数和(自身を含む): 40932864

約数和(自身を除く): 25550924

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 23, 28, 34, 35, 46, 68, 70, 85, 92, 115, 119, 140, 161, 170, 230, 238, 281, 322, 340, 391, 460, 476, 562, 595, 644, 782, 805, 1124, 1190, 1405, 1564, 1610, 1955, 1967, 2380, 2737, 2810, 3220, 3910, 3934, 4777, 5474, 5620, 6463, 7820, 7868, 9554, 9835, 10948, 12926, 13685, 19108, 19670, 23885, 25852, 27370, 32315, 33439, 39340, 45241, 47770, 54740, 64630, 66878, 90482, 95540, 109871, 129260, 133756, 167195, 180964, 219742, 226205, 334390, 439484, 452410, 549355, 668780, 769097, 904820, 1098710, 1538194, 2197420, 3076388, 3845485, 7690970, 15381940]

約数ペア:

[(1, 15381940), (2, 7690970), (4, 3845485), (5, 3076388), (7, 2197420), (10, 1538194), (14, 1098710), (17, 904820), (20, 769097), (23, 668780), (28, 549355), (34, 452410), (35, 439484), (46, 334390), (68, 226205), (70, 219742), (85, 180964), (92, 167195), (115, 133756), (119, 129260), (140, 109871), (161, 95540), (170, 90482), (230, 66878), (238, 64630), (281, 54740), (322, 47770), (340, 45241), (391, 39340), (460, 33439), (476, 32315), (562, 27370), (595, 25852), (644, 23885), (782, 19670), (805, 19108), (1124, 13685), (1190, 12926), (1405, 10948), (1564, 9835), (1610, 9554), (1955, 7868), (1967, 7820), (2380, 6463), (2737, 5620), (2810, 5474), (3220, 4777), (3910, 3934)]