399141120

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{479}}^1$

素因数の和:541

約数の個数: 288

約数和(自身を含む): 1507000320

約数和(自身を除く): 1107859200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 31, 32, 35, 40, 42, 48, 56, 60, 62, 64, 70, 80, 84, 93, 96, 105, 112, 120, 124, 128, 140, 155, 160, 168, 186, 192, 210, 217, 224, 240, 248, 256, 280, 310, 320, 336, 372, 384, 420, 434, 448, 465, 479, 480, 496, 560, 620, 640, 651, 672, 744, 768, 840, 868, 896, 930, 958, 960, 992, 1085, 1120, 1240, 1280, 1302, 1344, 1437, 1488, 1680, 1736, 1792, 1860, 1916, 1920, 1984, 2170, 2240, 2395, 2480, 2604, 2688, 2874, 2976, 3255, 3353, 3360, 3472, 3720, 3832, 3840, 3968, 4340, 4480, 4790, 4960, 5208, 5376, 5748, 5952, 6510, 6706, 6720, 6944, 7185, 7440, 7664, 7936, 8680, 8960, 9580, 9920, 10059, 10416, 11496, 11904, 13020, 13412, 13440, 13888, 14370, 14849, 14880, 15328, 16765, 17360, 19160, 19840, 20118, 20832, 22992, 23808, 26040, 26824, 26880, 27776, 28740, 29698, 29760, 30656, 33530, 34720, 38320, 39680, 40236, 41664, 44547, 45984, 50295, 52080, 53648, 55552, 57480, 59396, 59520, 61312, 67060, 69440, 74245, 76640, 80472, 83328, 89094, 91968, 100590, 103943, 104160, 107296, 114960, 118792, 119040, 122624, 134120, 138880, 148490, 153280, 160944, 166656, 178188, 183936, 201180, 207886, 208320, 214592, 222735, 229920, 237584, 268240, 277760, 296980, 306560, 311829, 321888, 356376, 367872, 402360, 415772, 416640, 429184, 445470, 459840, 475168, 519715, 536480, 593960, 613120, 623658, 643776, 712752, 804720, 831544, 833280, 858368, 890940, 919680, 950336, 1039430, 1072960, 1187920, 1247316, 1287552, 1425504, 1559145, 1609440, 1663088, 1781880, 1839360, 1900672, 2078860, 2145920, 2375840, 2494632, 2575104, 2851008, 3118290, 3218880, 3326176, 3563760, 3801344, 4157720, 4291840, 4751680, 4989264, 5702016, 6236580, 6437760, 6652352, 7127520, 8315440, 9503360, 9978528, 11404032, 12473160, 12875520, 13304704, 14255040, 16630880, 19006720, 19957056, 24946320, 26609408, 28510080, 33261760, 39914112, 49892640, 57020160, 66523520, 79828224, 99785280, 133047040, 199570560, 399141120]

約数ペア:

[(1, 399141120), (2, 199570560), (3, 133047040), (4, 99785280), (5, 79828224), (6, 66523520), (7, 57020160), (8, 49892640), (10, 39914112), (12, 33261760), (14, 28510080), (15, 26609408), (16, 24946320), (20, 19957056), (21, 19006720), (24, 16630880), (28, 14255040), (30, 13304704), (31, 12875520), (32, 12473160), (35, 11404032), (40, 9978528), (42, 9503360), (48, 8315440), (56, 7127520), (60, 6652352), (62, 6437760), (64, 6236580), (70, 5702016), (80, 4989264), (84, 4751680), (93, 4291840), (96, 4157720), (105, 3801344), (112, 3563760), (120, 3326176), (124, 3218880), (128, 3118290), (140, 2851008), (155, 2575104), (160, 2494632), (168, 2375840), (186, 2145920), (192, 2078860), (210, 1900672), (217, 1839360), (224, 1781880), (240, 1663088), (248, 1609440), (256, 1559145), (280, 1425504), (310, 1287552), (320, 1247316), (336, 1187920), (372, 1072960), (384, 1039430), (420, 950336), (434, 919680), (448, 890940), (465, 858368), (479, 833280), (480, 831544), (496, 804720), (560, 712752), (620, 643776), (640, 623658), (651, 613120), (672, 593960), (744, 536480), (768, 519715), (840, 475168), (868, 459840), (896, 445470), (930, 429184), (958, 416640), (960, 415772), (992, 402360), (1085, 367872), (1120, 356376), (1240, 321888), (1280, 311829), (1302, 306560), (1344, 296980), (1437, 277760), (1488, 268240), (1680, 237584), (1736, 229920), (1792, 222735), (1860, 214592), (1916, 208320), (1920, 207886), (1984, 201180), (2170, 183936), (2240, 178188), (2395, 166656), (2480, 160944), (2604, 153280), (2688, 148490), (2874, 138880), (2976, 134120), (3255, 122624), (3353, 119040), (3360, 118792), (3472, 114960), (3720, 107296), (3832, 104160), (3840, 103943), (3968, 100590), (4340, 91968), (4480, 89094), (4790, 83328), (4960, 80472), (5208, 76640), (5376, 74245), (5748, 69440), (5952, 67060), (6510, 61312), (6706, 59520), (6720, 59396), (6944, 57480), (7185, 55552), (7440, 53648), (7664, 52080), (7936, 50295), (8680, 45984), (8960, 44547), (9580, 41664), (9920, 40236), (10059, 39680), (10416, 38320), (11496, 34720), (11904, 33530), (13020, 30656), (13412, 29760), (13440, 29698), (13888, 28740), (14370, 27776), (14849, 26880), (14880, 26824), (15328, 26040), (16765, 23808), (17360, 22992), (19160, 20832), (19840, 20118)]