78719760

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{15619}}^1$

素因数の和:15645

約数の個数: 120

約数和(自身を含む): 302153280

約数和(自身を除く): 223433520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 5040, 15619, 31238, 46857, 62476, 78095, 93714, 109333, 124952, 140571, 156190, 187428, 218666, 234285, 249904, 281142, 312380, 327999, 374856, 437332, 468570, 546665, 562284, 624760, 655998, 702855, 749712, 874664, 937140, 983997, 1093330, 1124568, 1249520, 1311996, 1405710, 1639995, 1749328, 1874280, 1967994, 2186660, 2249136, 2623992, 2811420, 3279990, 3748560, 3935988, 4373320, 4919985, 5247984, 5622840, 6559980, 7871976, 8746640, 9839970, 11245680, 13119960, 15743952, 19679940, 26239920, 39359880, 78719760]

約数ペア:

[(1, 78719760), (2, 39359880), (3, 26239920), (4, 19679940), (5, 15743952), (6, 13119960), (7, 11245680), (8, 9839970), (9, 8746640), (10, 7871976), (12, 6559980), (14, 5622840), (15, 5247984), (16, 4919985), (18, 4373320), (20, 3935988), (21, 3748560), (24, 3279990), (28, 2811420), (30, 2623992), (35, 2249136), (36, 2186660), (40, 1967994), (42, 1874280), (45, 1749328), (48, 1639995), (56, 1405710), (60, 1311996), (63, 1249520), (70, 1124568), (72, 1093330), (80, 983997), (84, 937140), (90, 874664), (105, 749712), (112, 702855), (120, 655998), (126, 624760), (140, 562284), (144, 546665), (168, 468570), (180, 437332), (210, 374856), (240, 327999), (252, 312380), (280, 281142), (315, 249904), (336, 234285), (360, 218666), (420, 187428), (504, 156190), (560, 140571), (630, 124952), (720, 109333), (840, 93714), (1008, 78095), (1260, 62476), (1680, 46857), (2520, 31238), (5040, 15619)]