257172240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{593}}^1$

素因数の和:761

約数の個数: 160

約数和(自身を含む): 866194560

約数和(自身を除く): 609022320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 139, 156, 195, 208, 240, 260, 278, 312, 390, 417, 520, 556, 593, 624, 695, 780, 834, 1040, 1112, 1186, 1390, 1560, 1668, 1779, 1807, 2085, 2224, 2372, 2780, 2965, 3120, 3336, 3558, 3614, 4170, 4744, 5421, 5560, 5930, 6672, 7116, 7228, 7709, 8340, 8895, 9035, 9488, 10842, 11120, 11860, 14232, 14456, 15418, 16680, 17790, 18070, 21684, 23127, 23720, 27105, 28464, 28912, 30836, 33360, 35580, 36140, 38545, 43368, 46254, 47440, 54210, 61672, 71160, 72280, 77090, 82427, 86736, 92508, 108420, 115635, 123344, 142320, 144560, 154180, 164854, 185016, 216840, 231270, 247281, 308360, 329708, 370032, 412135, 433680, 462540, 494562, 616720, 659416, 824270, 925080, 989124, 1071551, 1236405, 1318832, 1648540, 1850160, 1978248, 2143102, 2472810, 3214653, 3297080, 3956496, 4286204, 4945620, 5357755, 6429306, 6594160, 8572408, 9891240, 10715510, 12858612, 16073265, 17144816, 19782480, 21431020, 25717224, 32146530, 42862040, 51434448, 64293060, 85724080, 128586120, 257172240]

約数ペア:

[(1, 257172240), (2, 128586120), (3, 85724080), (4, 64293060), (5, 51434448), (6, 42862040), (8, 32146530), (10, 25717224), (12, 21431020), (13, 19782480), (15, 17144816), (16, 16073265), (20, 12858612), (24, 10715510), (26, 9891240), (30, 8572408), (39, 6594160), (40, 6429306), (48, 5357755), (52, 4945620), (60, 4286204), (65, 3956496), (78, 3297080), (80, 3214653), (104, 2472810), (120, 2143102), (130, 1978248), (139, 1850160), (156, 1648540), (195, 1318832), (208, 1236405), (240, 1071551), (260, 989124), (278, 925080), (312, 824270), (390, 659416), (417, 616720), (520, 494562), (556, 462540), (593, 433680), (624, 412135), (695, 370032), (780, 329708), (834, 308360), (1040, 247281), (1112, 231270), (1186, 216840), (1390, 185016), (1560, 164854), (1668, 154180), (1779, 144560), (1807, 142320), (2085, 123344), (2224, 115635), (2372, 108420), (2780, 92508), (2965, 86736), (3120, 82427), (3336, 77090), (3558, 72280), (3614, 71160), (4170, 61672), (4744, 54210), (5421, 47440), (5560, 46254), (5930, 43368), (6672, 38545), (7116, 36140), (7228, 35580), (7709, 33360), (8340, 30836), (8895, 28912), (9035, 28464), (9488, 27105), (10842, 23720), (11120, 23127), (11860, 21684), (14232, 18070), (14456, 17790), (15418, 16680)]