15198680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1$

素因数の和:169

約数の個数: 128

約数和(自身を含む): 43130880

約数和(自身を除く): 27932200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 31, 34, 35, 40, 56, 62, 68, 70, 85, 103, 119, 124, 136, 140, 155, 170, 206, 217, 238, 248, 280, 310, 340, 412, 434, 476, 515, 527, 595, 620, 680, 721, 824, 868, 952, 1030, 1054, 1085, 1190, 1240, 1442, 1736, 1751, 2060, 2108, 2170, 2380, 2635, 2884, 3193, 3502, 3605, 3689, 4120, 4216, 4340, 4760, 5270, 5768, 6386, 7004, 7210, 7378, 8680, 8755, 10540, 12257, 12772, 14008, 14420, 14756, 15965, 17510, 18445, 21080, 22351, 24514, 25544, 28840, 29512, 31930, 35020, 36890, 44702, 49028, 54281, 61285, 63860, 70040, 73780, 89404, 98056, 108562, 111755, 122570, 127720, 147560, 178808, 217124, 223510, 245140, 271405, 379967, 434248, 447020, 490280, 542810, 759934, 894040, 1085620, 1519868, 1899835, 2171240, 3039736, 3799670, 7599340, 15198680]

約数ペア:

[(1, 15198680), (2, 7599340), (4, 3799670), (5, 3039736), (7, 2171240), (8, 1899835), (10, 1519868), (14, 1085620), (17, 894040), (20, 759934), (28, 542810), (31, 490280), (34, 447020), (35, 434248), (40, 379967), (56, 271405), (62, 245140), (68, 223510), (70, 217124), (85, 178808), (103, 147560), (119, 127720), (124, 122570), (136, 111755), (140, 108562), (155, 98056), (170, 89404), (206, 73780), (217, 70040), (238, 63860), (248, 61285), (280, 54281), (310, 49028), (340, 44702), (412, 36890), (434, 35020), (476, 31930), (515, 29512), (527, 28840), (595, 25544), (620, 24514), (680, 22351), (721, 21080), (824, 18445), (868, 17510), (952, 15965), (1030, 14756), (1054, 14420), (1085, 14008), (1190, 12772), (1240, 12257), (1442, 10540), (1736, 8755), (1751, 8680), (2060, 7378), (2108, 7210), (2170, 7004), (2380, 6386), (2635, 5768), (2884, 5270), (3193, 4760), (3502, 4340), (3605, 4216), (3689, 4120)]