30763880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{281}}^1$

素因数の和:339

約数の個数: 128

約数和(自身を含む): 87713280

約数和(自身を除く): 56949400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 23, 28, 34, 35, 40, 46, 56, 68, 70, 85, 92, 115, 119, 136, 140, 161, 170, 184, 230, 238, 280, 281, 322, 340, 391, 460, 476, 562, 595, 644, 680, 782, 805, 920, 952, 1124, 1190, 1288, 1405, 1564, 1610, 1955, 1967, 2248, 2380, 2737, 2810, 3128, 3220, 3910, 3934, 4760, 4777, 5474, 5620, 6440, 6463, 7820, 7868, 9554, 9835, 10948, 11240, 12926, 13685, 15640, 15736, 19108, 19670, 21896, 23885, 25852, 27370, 32315, 33439, 38216, 39340, 45241, 47770, 51704, 54740, 64630, 66878, 78680, 90482, 95540, 109480, 109871, 129260, 133756, 167195, 180964, 191080, 219742, 226205, 258520, 267512, 334390, 361928, 439484, 452410, 549355, 668780, 769097, 878968, 904820, 1098710, 1337560, 1538194, 1809640, 2197420, 3076388, 3845485, 4394840, 6152776, 7690970, 15381940, 30763880]

約数ペア:

[(1, 30763880), (2, 15381940), (4, 7690970), (5, 6152776), (7, 4394840), (8, 3845485), (10, 3076388), (14, 2197420), (17, 1809640), (20, 1538194), (23, 1337560), (28, 1098710), (34, 904820), (35, 878968), (40, 769097), (46, 668780), (56, 549355), (68, 452410), (70, 439484), (85, 361928), (92, 334390), (115, 267512), (119, 258520), (136, 226205), (140, 219742), (161, 191080), (170, 180964), (184, 167195), (230, 133756), (238, 129260), (280, 109871), (281, 109480), (322, 95540), (340, 90482), (391, 78680), (460, 66878), (476, 64630), (562, 54740), (595, 51704), (644, 47770), (680, 45241), (782, 39340), (805, 38216), (920, 33439), (952, 32315), (1124, 27370), (1190, 25852), (1288, 23885), (1405, 21896), (1564, 19670), (1610, 19108), (1955, 15736), (1967, 15640), (2248, 13685), (2380, 12926), (2737, 11240), (2810, 10948), (3128, 9835), (3220, 9554), (3910, 7868), (3934, 7820), (4760, 6463), (4777, 6440), (5474, 5620)]