281978400

素因数分解:

$2^5\times 3^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{971}}^1$

素因数の和:1016

約数の個数: 216

約数和(自身を含む): 1009904112

約数和(自身を除く): 727925712

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 25, 30, 32, 33, 40, 44, 48, 50, 55, 60, 66, 75, 80, 88, 96, 100, 110, 120, 121, 132, 150, 160, 165, 176, 200, 220, 240, 242, 264, 275, 300, 330, 352, 363, 400, 440, 480, 484, 528, 550, 600, 605, 660, 726, 800, 825, 880, 968, 971, 1056, 1100, 1200, 1210, 1320, 1452, 1650, 1760, 1815, 1936, 1942, 2200, 2400, 2420, 2640, 2904, 2913, 3025, 3300, 3630, 3872, 3884, 4400, 4840, 4855, 5280, 5808, 5826, 6050, 6600, 7260, 7768, 8800, 9075, 9680, 9710, 10681, 11616, 11652, 12100, 13200, 14520, 14565, 15536, 18150, 19360, 19420, 21362, 23304, 24200, 24275, 26400, 29040, 29130, 31072, 32043, 36300, 38840, 42724, 46608, 48400, 48550, 53405, 58080, 58260, 64086, 72600, 72825, 77680, 85448, 93216, 96800, 97100, 106810, 116520, 117491, 128172, 145200, 145650, 155360, 160215, 170896, 194200, 213620, 233040, 234982, 256344, 267025, 290400, 291300, 320430, 341792, 352473, 388400, 427240, 466080, 469964, 512688, 534050, 582600, 587455, 640860, 704946, 776800, 801075, 854480, 939928, 1025376, 1068100, 1165200, 1174910, 1281720, 1409892, 1602150, 1708960, 1762365, 1879856, 2136200, 2330400, 2349820, 2563440, 2819784, 2937275, 3204300, 3524730, 3759712, 4272400, 4699640, 5126880, 5639568, 5874550, 6408600, 7049460, 8544800, 8811825, 9399280, 11279136, 11749100, 12817200, 14098920, 17623650, 18798560, 23498200, 25634400, 28197840, 35247300, 46996400, 56395680, 70494600, 93992800, 140989200, 281978400]

約数ペア:

[(1, 281978400), (2, 140989200), (3, 93992800), (4, 70494600), (5, 56395680), (6, 46996400), (8, 35247300), (10, 28197840), (11, 25634400), (12, 23498200), (15, 18798560), (16, 17623650), (20, 14098920), (22, 12817200), (24, 11749100), (25, 11279136), (30, 9399280), (32, 8811825), (33, 8544800), (40, 7049460), (44, 6408600), (48, 5874550), (50, 5639568), (55, 5126880), (60, 4699640), (66, 4272400), (75, 3759712), (80, 3524730), (88, 3204300), (96, 2937275), (100, 2819784), (110, 2563440), (120, 2349820), (121, 2330400), (132, 2136200), (150, 1879856), (160, 1762365), (165, 1708960), (176, 1602150), (200, 1409892), (220, 1281720), (240, 1174910), (242, 1165200), (264, 1068100), (275, 1025376), (300, 939928), (330, 854480), (352, 801075), (363, 776800), (400, 704946), (440, 640860), (480, 587455), (484, 582600), (528, 534050), (550, 512688), (600, 469964), (605, 466080), (660, 427240), (726, 388400), (800, 352473), (825, 341792), (880, 320430), (968, 291300), (971, 290400), (1056, 267025), (1100, 256344), (1200, 234982), (1210, 233040), (1320, 213620), (1452, 194200), (1650, 170896), (1760, 160215), (1815, 155360), (1936, 145650), (1942, 145200), (2200, 128172), (2400, 117491), (2420, 116520), (2640, 106810), (2904, 97100), (2913, 96800), (3025, 93216), (3300, 85448), (3630, 77680), (3872, 72825), (3884, 72600), (4400, 64086), (4840, 58260), (4855, 58080), (5280, 53405), (5808, 48550), (5826, 48400), (6050, 46608), (6600, 42724), (7260, 38840), (7768, 36300), (8800, 32043), (9075, 31072), (9680, 29130), (9710, 29040), (10681, 26400), (11616, 24275), (11652, 24200), (12100, 23304), (13200, 21362), (14520, 19420), (14565, 19360), (15536, 18150)]