82980800

素因数分解:

$2^6\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1$

素因数の和:299

約数の個数: 168

約数和(自身を含む): 241889280

約数和(自身を除く): 158908480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 31, 32, 35, 40, 50, 56, 62, 64, 70, 80, 100, 112, 124, 140, 155, 160, 175, 200, 217, 224, 239, 248, 280, 310, 320, 350, 400, 434, 448, 478, 496, 560, 620, 700, 775, 800, 868, 956, 992, 1085, 1120, 1195, 1240, 1400, 1550, 1600, 1673, 1736, 1912, 1984, 2170, 2240, 2390, 2480, 2800, 3100, 3346, 3472, 3824, 4340, 4780, 4960, 5425, 5600, 5975, 6200, 6692, 6944, 7409, 7648, 8365, 8680, 9560, 9920, 10850, 11200, 11950, 12400, 13384, 13888, 14818, 15296, 16730, 17360, 19120, 21700, 23900, 24800, 26768, 29636, 33460, 34720, 37045, 38240, 41825, 43400, 47800, 49600, 51863, 53536, 59272, 66920, 69440, 74090, 76480, 83650, 86800, 95600, 103726, 107072, 118544, 133840, 148180, 167300, 173600, 185225, 191200, 207452, 237088, 259315, 267680, 296360, 334600, 347200, 370450, 382400, 414904, 474176, 518630, 535360, 592720, 669200, 740900, 829808, 1037260, 1185440, 1296575, 1338400, 1481800, 1659616, 2074520, 2370880, 2593150, 2676800, 2963600, 3319232, 4149040, 5186300, 5927200, 8298080, 10372600, 11854400, 16596160, 20745200, 41490400, 82980800]

約数ペア:

[(1, 82980800), (2, 41490400), (4, 20745200), (5, 16596160), (7, 11854400), (8, 10372600), (10, 8298080), (14, 5927200), (16, 5186300), (20, 4149040), (25, 3319232), (28, 2963600), (31, 2676800), (32, 2593150), (35, 2370880), (40, 2074520), (50, 1659616), (56, 1481800), (62, 1338400), (64, 1296575), (70, 1185440), (80, 1037260), (100, 829808), (112, 740900), (124, 669200), (140, 592720), (155, 535360), (160, 518630), (175, 474176), (200, 414904), (217, 382400), (224, 370450), (239, 347200), (248, 334600), (280, 296360), (310, 267680), (320, 259315), (350, 237088), (400, 207452), (434, 191200), (448, 185225), (478, 173600), (496, 167300), (560, 148180), (620, 133840), (700, 118544), (775, 107072), (800, 103726), (868, 95600), (956, 86800), (992, 83650), (1085, 76480), (1120, 74090), (1195, 69440), (1240, 66920), (1400, 59272), (1550, 53536), (1600, 51863), (1673, 49600), (1736, 47800), (1912, 43400), (1984, 41825), (2170, 38240), (2240, 37045), (2390, 34720), (2480, 33460), (2800, 29636), (3100, 26768), (3346, 24800), (3472, 23900), (3824, 21700), (4340, 19120), (4780, 17360), (4960, 16730), (5425, 15296), (5600, 14818), (5975, 13888), (6200, 13384), (6692, 12400), (6944, 11950), (7409, 11200), (7648, 10850), (8365, 9920), (8680, 9560)]