400272000

素因数分解:

$2^7\times 3^1\times 5^3\times {\mathrm{31}}^1\times {\mathrm{269}}^1$

素因数の和:332

約数の個数: 256

約数和(自身を含む): 1374796800

約数和(自身を除く): 974524800

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, 125, 128, 150, 155, 160, 186, 192, 200, 240, 248, 250, 269, 300, 310, 320, 372, 375, 384, 400, 465, 480, 496, 500, 538, 600, 620, 640, 744, 750, 775, 800, 807, 930, 960, 992, 1000, 1076, 1200, 1240, 1345, 1488, 1500, 1550, 1600, 1614, 1860, 1920, 1984, 2000, 2152, 2325, 2400, 2480, 2690, 2976, 3000, 3100, 3200, 3228, 3720, 3875, 3968, 4000, 4035, 4304, 4650, 4800, 4960, 5380, 5952, 6000, 6200, 6456, 6725, 7440, 7750, 8000, 8070, 8339, 8608, 9300, 9600, 9920, 10760, 11625, 11904, 12000, 12400, 12912, 13450, 14880, 15500, 16000, 16140, 16678, 17216, 18600, 19840, 20175, 21520, 23250, 24000, 24800, 25017, 25824, 26900, 29760, 31000, 32280, 33356, 33625, 34432, 37200, 40350, 41695, 43040, 46500, 48000, 49600, 50034, 51648, 53800, 59520, 62000, 64560, 66712, 67250, 74400, 80700, 83390, 86080, 93000, 99200, 100068, 100875, 103296, 107600, 124000, 125085, 129120, 133424, 134500, 148800, 161400, 166780, 172160, 186000, 200136, 201750, 208475, 215200, 248000, 250170, 258240, 266848, 269000, 297600, 322800, 333560, 372000, 400272, 403500, 416950, 430400, 496000, 500340, 516480, 533696, 538000, 625425, 645600, 667120, 744000, 800544, 807000, 833900, 860800, 1000680, 1042375, 1067392, 1076000, 1250850, 1291200, 1334240, 1488000, 1601088, 1614000, 1667800, 2001360, 2084750, 2152000, 2501700, 2582400, 2668480, 3127125, 3202176, 3228000, 3335600, 4002720, 4169500, 4304000, 5003400, 5336960, 6254250, 6456000, 6671200, 8005440, 8339000, 10006800, 12508500, 12912000, 13342400, 16010880, 16678000, 20013600, 25017000, 26684800, 33356000, 40027200, 50034000, 66712000, 80054400, 100068000, 133424000, 200136000, 400272000]

約数ペア:

[(1, 400272000), (2, 200136000), (3, 133424000), (4, 100068000), (5, 80054400), (6, 66712000), (8, 50034000), (10, 40027200), (12, 33356000), (15, 26684800), (16, 25017000), (20, 20013600), (24, 16678000), (25, 16010880), (30, 13342400), (31, 12912000), (32, 12508500), (40, 10006800), (48, 8339000), (50, 8005440), (60, 6671200), (62, 6456000), (64, 6254250), (75, 5336960), (80, 5003400), (93, 4304000), (96, 4169500), (100, 4002720), (120, 3335600), (124, 3228000), (125, 3202176), (128, 3127125), (150, 2668480), (155, 2582400), (160, 2501700), (186, 2152000), (192, 2084750), (200, 2001360), (240, 1667800), (248, 1614000), (250, 1601088), (269, 1488000), (300, 1334240), (310, 1291200), (320, 1250850), (372, 1076000), (375, 1067392), (384, 1042375), (400, 1000680), (465, 860800), (480, 833900), (496, 807000), (500, 800544), (538, 744000), (600, 667120), (620, 645600), (640, 625425), (744, 538000), (750, 533696), (775, 516480), (800, 500340), (807, 496000), (930, 430400), (960, 416950), (992, 403500), (1000, 400272), (1076, 372000), (1200, 333560), (1240, 322800), (1345, 297600), (1488, 269000), (1500, 266848), (1550, 258240), (1600, 250170), (1614, 248000), (1860, 215200), (1920, 208475), (1984, 201750), (2000, 200136), (2152, 186000), (2325, 172160), (2400, 166780), (2480, 161400), (2690, 148800), (2976, 134500), (3000, 133424), (3100, 129120), (3200, 125085), (3228, 124000), (3720, 107600), (3875, 103296), (3968, 100875), (4000, 100068), (4035, 99200), (4304, 93000), (4650, 86080), (4800, 83390), (4960, 80700), (5380, 74400), (5952, 67250), (6000, 66712), (6200, 64560), (6456, 62000), (6725, 59520), (7440, 53800), (7750, 51648), (8000, 50034), (8070, 49600), (8339, 48000), (8608, 46500), (9300, 43040), (9600, 41695), (9920, 40350), (10760, 37200), (11625, 34432), (11904, 33625), (12000, 33356), (12400, 32280), (12912, 31000), (13450, 29760), (14880, 26900), (15500, 25824), (16000, 25017), (16140, 24800), (16678, 24000), (17216, 23250), (18600, 21520), (19840, 20175)]