65526720

素因数分解:

$2^6\times 3^1\times 5^1\times 7^3\times {\mathrm{199}}^1$

素因数の和:240

約数の個数: 224

約数和(自身を含む): 243840000

約数和(自身を除く): 178313280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 64, 70, 80, 84, 96, 98, 105, 112, 120, 140, 147, 160, 168, 192, 196, 199, 210, 224, 240, 245, 280, 294, 320, 336, 343, 392, 398, 420, 448, 480, 490, 560, 588, 597, 672, 686, 735, 784, 796, 840, 960, 980, 995, 1029, 1120, 1176, 1194, 1344, 1372, 1393, 1470, 1568, 1592, 1680, 1715, 1960, 1990, 2058, 2240, 2352, 2388, 2744, 2786, 2940, 2985, 3136, 3184, 3360, 3430, 3920, 3980, 4116, 4179, 4704, 4776, 5145, 5488, 5572, 5880, 5970, 6368, 6720, 6860, 6965, 7840, 7960, 8232, 8358, 9408, 9552, 9751, 10290, 10976, 11144, 11760, 11940, 12736, 13720, 13930, 15680, 15920, 16464, 16716, 19104, 19502, 20580, 20895, 21952, 22288, 23520, 23880, 27440, 27860, 29253, 31840, 32928, 33432, 38208, 39004, 41160, 41790, 44576, 47040, 47760, 48755, 54880, 55720, 58506, 63680, 65856, 66864, 68257, 78008, 82320, 83580, 89152, 95520, 97510, 109760, 111440, 117012, 133728, 136514, 146265, 156016, 164640, 167160, 191040, 195020, 204771, 222880, 234024, 267456, 273028, 292530, 312032, 329280, 334320, 341285, 390040, 409542, 445760, 468048, 546056, 585060, 624064, 668640, 682570, 780080, 819084, 936096, 1023855, 1092112, 1170120, 1337280, 1365140, 1560160, 1638168, 1872192, 2047710, 2184224, 2340240, 2730280, 3120320, 3276336, 4095420, 4368448, 4680480, 5460560, 6552672, 8190840, 9360960, 10921120, 13105344, 16381680, 21842240, 32763360, 65526720]

約数ペア:

[(1, 65526720), (2, 32763360), (3, 21842240), (4, 16381680), (5, 13105344), (6, 10921120), (7, 9360960), (8, 8190840), (10, 6552672), (12, 5460560), (14, 4680480), (15, 4368448), (16, 4095420), (20, 3276336), (21, 3120320), (24, 2730280), (28, 2340240), (30, 2184224), (32, 2047710), (35, 1872192), (40, 1638168), (42, 1560160), (48, 1365140), (49, 1337280), (56, 1170120), (60, 1092112), (64, 1023855), (70, 936096), (80, 819084), (84, 780080), (96, 682570), (98, 668640), (105, 624064), (112, 585060), (120, 546056), (140, 468048), (147, 445760), (160, 409542), (168, 390040), (192, 341285), (196, 334320), (199, 329280), (210, 312032), (224, 292530), (240, 273028), (245, 267456), (280, 234024), (294, 222880), (320, 204771), (336, 195020), (343, 191040), (392, 167160), (398, 164640), (420, 156016), (448, 146265), (480, 136514), (490, 133728), (560, 117012), (588, 111440), (597, 109760), (672, 97510), (686, 95520), (735, 89152), (784, 83580), (796, 82320), (840, 78008), (960, 68257), (980, 66864), (995, 65856), (1029, 63680), (1120, 58506), (1176, 55720), (1194, 54880), (1344, 48755), (1372, 47760), (1393, 47040), (1470, 44576), (1568, 41790), (1592, 41160), (1680, 39004), (1715, 38208), (1960, 33432), (1990, 32928), (2058, 31840), (2240, 29253), (2352, 27860), (2388, 27440), (2744, 23880), (2786, 23520), (2940, 22288), (2985, 21952), (3136, 20895), (3184, 20580), (3360, 19502), (3430, 19104), (3920, 16716), (3980, 16464), (4116, 15920), (4179, 15680), (4704, 13930), (4776, 13720), (5145, 12736), (5488, 11940), (5572, 11760), (5880, 11144), (5970, 10976), (6368, 10290), (6720, 9751), (6860, 9552), (6965, 9408), (7840, 8358), (7960, 8232)]