77971200

素因数分解:

$2^8\times 3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{131}}^1$

素因数の和:191

約数の個数: 216

約数和(自身を含む): 267649536

約数和(自身を除く): 189678336

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 31, 32, 40, 48, 50, 60, 62, 64, 75, 80, 93, 96, 100, 120, 124, 128, 131, 150, 155, 160, 186, 192, 200, 240, 248, 256, 262, 300, 310, 320, 372, 384, 393, 400, 465, 480, 496, 524, 600, 620, 640, 655, 744, 768, 775, 786, 800, 930, 960, 992, 1048, 1200, 1240, 1280, 1310, 1488, 1550, 1572, 1600, 1860, 1920, 1965, 1984, 2096, 2325, 2400, 2480, 2620, 2976, 3100, 3144, 3200, 3275, 3720, 3840, 3930, 3968, 4061, 4192, 4650, 4800, 4960, 5240, 5952, 6200, 6288, 6400, 6550, 7440, 7860, 7936, 8122, 8384, 9300, 9600, 9825, 9920, 10480, 11904, 12183, 12400, 12576, 13100, 14880, 15720, 16244, 16768, 18600, 19200, 19650, 19840, 20305, 20960, 23808, 24366, 24800, 25152, 26200, 29760, 31440, 32488, 33536, 37200, 39300, 39680, 40610, 41920, 48732, 49600, 50304, 52400, 59520, 60915, 62880, 64976, 74400, 78600, 81220, 83840, 97464, 99200, 100608, 101525, 104800, 119040, 121830, 125760, 129952, 148800, 157200, 162440, 167680, 194928, 198400, 203050, 209600, 243660, 251520, 259904, 297600, 304575, 314400, 324880, 389856, 406100, 419200, 487320, 503040, 519808, 595200, 609150, 628800, 649760, 779712, 812200, 838400, 974640, 1039616, 1218300, 1257600, 1299520, 1559424, 1624400, 1949280, 2436600, 2515200, 2599040, 3118848, 3248800, 3898560, 4873200, 5198080, 6497600, 7797120, 9746400, 12995200, 15594240, 19492800, 25990400, 38985600, 77971200]

約数ペア:

[(1, 77971200), (2, 38985600), (3, 25990400), (4, 19492800), (5, 15594240), (6, 12995200), (8, 9746400), (10, 7797120), (12, 6497600), (15, 5198080), (16, 4873200), (20, 3898560), (24, 3248800), (25, 3118848), (30, 2599040), (31, 2515200), (32, 2436600), (40, 1949280), (48, 1624400), (50, 1559424), (60, 1299520), (62, 1257600), (64, 1218300), (75, 1039616), (80, 974640), (93, 838400), (96, 812200), (100, 779712), (120, 649760), (124, 628800), (128, 609150), (131, 595200), (150, 519808), (155, 503040), (160, 487320), (186, 419200), (192, 406100), (200, 389856), (240, 324880), (248, 314400), (256, 304575), (262, 297600), (300, 259904), (310, 251520), (320, 243660), (372, 209600), (384, 203050), (393, 198400), (400, 194928), (465, 167680), (480, 162440), (496, 157200), (524, 148800), (600, 129952), (620, 125760), (640, 121830), (655, 119040), (744, 104800), (768, 101525), (775, 100608), (786, 99200), (800, 97464), (930, 83840), (960, 81220), (992, 78600), (1048, 74400), (1200, 64976), (1240, 62880), (1280, 60915), (1310, 59520), (1488, 52400), (1550, 50304), (1572, 49600), (1600, 48732), (1860, 41920), (1920, 40610), (1965, 39680), (1984, 39300), (2096, 37200), (2325, 33536), (2400, 32488), (2480, 31440), (2620, 29760), (2976, 26200), (3100, 25152), (3144, 24800), (3200, 24366), (3275, 23808), (3720, 20960), (3840, 20305), (3930, 19840), (3968, 19650), (4061, 19200), (4192, 18600), (4650, 16768), (4800, 16244), (4960, 15720), (5240, 14880), (5952, 13100), (6200, 12576), (6288, 12400), (6400, 12183), (6550, 11904), (7440, 10480), (7860, 9920), (7936, 9825), (8122, 9600), (8384, 9300)]