78148560

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{257}}^1$

素因数の和:461

約数の個数: 160

約数和(自身を含む): 279482112

約数和(自身を除く): 201333552

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 181, 210, 240, 257, 280, 336, 362, 420, 514, 543, 560, 724, 771, 840, 905, 1028, 1086, 1267, 1285, 1448, 1542, 1680, 1799, 1810, 2056, 2172, 2534, 2570, 2715, 2896, 3084, 3598, 3620, 3801, 3855, 4112, 4344, 5068, 5140, 5397, 5430, 6168, 6335, 7196, 7240, 7602, 7710, 8688, 8995, 10136, 10280, 10794, 10860, 12336, 12670, 14392, 14480, 15204, 15420, 17990, 19005, 20272, 20560, 21588, 21720, 25340, 26985, 28784, 30408, 30840, 35980, 38010, 43176, 43440, 46517, 50680, 53970, 60816, 61680, 71960, 76020, 86352, 93034, 101360, 107940, 139551, 143920, 152040, 186068, 215880, 232585, 279102, 304080, 325619, 372136, 431760, 465170, 558204, 651238, 697755, 744272, 930340, 976857, 1116408, 1302476, 1395510, 1628095, 1860680, 1953714, 2232816, 2604952, 2791020, 3256190, 3721360, 3907428, 4884285, 5209904, 5582040, 6512380, 7814856, 9768570, 11164080, 13024760, 15629712, 19537140, 26049520, 39074280, 78148560]

約数ペア:

[(1, 78148560), (2, 39074280), (3, 26049520), (4, 19537140), (5, 15629712), (6, 13024760), (7, 11164080), (8, 9768570), (10, 7814856), (12, 6512380), (14, 5582040), (15, 5209904), (16, 4884285), (20, 3907428), (21, 3721360), (24, 3256190), (28, 2791020), (30, 2604952), (35, 2232816), (40, 1953714), (42, 1860680), (48, 1628095), (56, 1395510), (60, 1302476), (70, 1116408), (80, 976857), (84, 930340), (105, 744272), (112, 697755), (120, 651238), (140, 558204), (168, 465170), (181, 431760), (210, 372136), (240, 325619), (257, 304080), (280, 279102), (336, 232585), (362, 215880), (420, 186068), (514, 152040), (543, 143920), (560, 139551), (724, 107940), (771, 101360), (840, 93034), (905, 86352), (1028, 76020), (1086, 71960), (1267, 61680), (1285, 60816), (1448, 53970), (1542, 50680), (1680, 46517), (1799, 43440), (1810, 43176), (2056, 38010), (2172, 35980), (2534, 30840), (2570, 30408), (2715, 28784), (2896, 26985), (3084, 25340), (3598, 21720), (3620, 21588), (3801, 20560), (3855, 20272), (4112, 19005), (4344, 17990), (5068, 15420), (5140, 15204), (5397, 14480), (5430, 14392), (6168, 12670), (6335, 12336), (7196, 10860), (7240, 10794), (7602, 10280), (7710, 10136), (8688, 8995)]