78128400

素因数分解:

$2^4\times 3^1\times 5^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:230

約数の個数: 240

約数和(自身を含む): 292267008

約数和(自身を除く): 214138608

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 25, 28, 30, 35, 40, 42, 48, 50, 56, 60, 70, 71, 75, 80, 84, 100, 105, 112, 120, 131, 140, 142, 150, 168, 175, 200, 210, 213, 240, 262, 280, 284, 300, 336, 350, 355, 393, 400, 420, 426, 497, 524, 525, 560, 568, 600, 655, 700, 710, 786, 840, 852, 917, 994, 1048, 1050, 1065, 1136, 1200, 1310, 1400, 1420, 1491, 1572, 1680, 1704, 1775, 1834, 1965, 1988, 2096, 2100, 2130, 2485, 2620, 2751, 2800, 2840, 2982, 3144, 3275, 3408, 3550, 3668, 3930, 3976, 4200, 4260, 4585, 4970, 5240, 5325, 5502, 5680, 5964, 6288, 6550, 7100, 7336, 7455, 7860, 7952, 8400, 8520, 9170, 9301, 9825, 9940, 10480, 10650, 11004, 11928, 12425, 13100, 13755, 14200, 14672, 14910, 15720, 17040, 18340, 18602, 19650, 19880, 21300, 22008, 22925, 23856, 24850, 26200, 27510, 27903, 28400, 29820, 31440, 36680, 37204, 37275, 39300, 39760, 42600, 44016, 45850, 46505, 49700, 52400, 55020, 55806, 59640, 65107, 68775, 73360, 74408, 74550, 78600, 85200, 91700, 93010, 99400, 110040, 111612, 119280, 130214, 137550, 139515, 148816, 149100, 157200, 183400, 186020, 195321, 198800, 220080, 223224, 232525, 260428, 275100, 279030, 298200, 325535, 366800, 372040, 390642, 446448, 465050, 520856, 550200, 558060, 596400, 651070, 697575, 744080, 781284, 930100, 976605, 1041712, 1100400, 1116120, 1302140, 1395150, 1562568, 1627675, 1860200, 1953210, 2232240, 2604280, 2790300, 3125136, 3255350, 3720400, 3906420, 4883025, 5208560, 5580600, 6510700, 7812840, 9766050, 11161200, 13021400, 15625680, 19532100, 26042800, 39064200, 78128400]

約数ペア:

[(1, 78128400), (2, 39064200), (3, 26042800), (4, 19532100), (5, 15625680), (6, 13021400), (7, 11161200), (8, 9766050), (10, 7812840), (12, 6510700), (14, 5580600), (15, 5208560), (16, 4883025), (20, 3906420), (21, 3720400), (24, 3255350), (25, 3125136), (28, 2790300), (30, 2604280), (35, 2232240), (40, 1953210), (42, 1860200), (48, 1627675), (50, 1562568), (56, 1395150), (60, 1302140), (70, 1116120), (71, 1100400), (75, 1041712), (80, 976605), (84, 930100), (100, 781284), (105, 744080), (112, 697575), (120, 651070), (131, 596400), (140, 558060), (142, 550200), (150, 520856), (168, 465050), (175, 446448), (200, 390642), (210, 372040), (213, 366800), (240, 325535), (262, 298200), (280, 279030), (284, 275100), (300, 260428), (336, 232525), (350, 223224), (355, 220080), (393, 198800), (400, 195321), (420, 186020), (426, 183400), (497, 157200), (524, 149100), (525, 148816), (560, 139515), (568, 137550), (600, 130214), (655, 119280), (700, 111612), (710, 110040), (786, 99400), (840, 93010), (852, 91700), (917, 85200), (994, 78600), (1048, 74550), (1050, 74408), (1065, 73360), (1136, 68775), (1200, 65107), (1310, 59640), (1400, 55806), (1420, 55020), (1491, 52400), (1572, 49700), (1680, 46505), (1704, 45850), (1775, 44016), (1834, 42600), (1965, 39760), (1988, 39300), (2096, 37275), (2100, 37204), (2130, 36680), (2485, 31440), (2620, 29820), (2751, 28400), (2800, 27903), (2840, 27510), (2982, 26200), (3144, 24850), (3275, 23856), (3408, 22925), (3550, 22008), (3668, 21300), (3930, 19880), (3976, 19650), (4200, 18602), (4260, 18340), (4585, 17040), (4970, 15720), (5240, 14910), (5325, 14672), (5502, 14200), (5680, 13755), (5964, 13100), (6288, 12425), (6550, 11928), (7100, 11004), (7336, 10650), (7455, 10480), (7860, 9940), (7952, 9825), (8400, 9301), (8520, 9170)]