256910400

素因数分解:

$2^6\times 3^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{313}}^1$

素因数の和:363

約数の個数: 336

約数和(自身を含む): 988974400

約数和(自身を除く): 732064000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 25, 27, 30, 32, 36, 38, 40, 45, 48, 50, 54, 57, 60, 64, 72, 75, 76, 80, 90, 95, 96, 100, 108, 114, 120, 135, 144, 150, 152, 160, 171, 180, 190, 192, 200, 216, 225, 228, 240, 270, 285, 288, 300, 304, 313, 320, 342, 360, 380, 400, 432, 450, 456, 475, 480, 513, 540, 570, 576, 600, 608, 626, 675, 684, 720, 760, 800, 855, 864, 900, 912, 939, 950, 960, 1026, 1080, 1140, 1200, 1216, 1252, 1350, 1368, 1425, 1440, 1520, 1565, 1600, 1710, 1728, 1800, 1824, 1878, 1900, 2052, 2160, 2280, 2400, 2504, 2565, 2700, 2736, 2817, 2850, 2880, 3040, 3130, 3420, 3600, 3648, 3756, 3800, 4104, 4275, 4320, 4560, 4695, 4800, 5008, 5130, 5400, 5472, 5634, 5700, 5947, 6080, 6260, 6840, 7200, 7512, 7600, 7825, 8208, 8451, 8550, 8640, 9120, 9390, 10016, 10260, 10800, 10944, 11268, 11400, 11894, 12520, 12825, 13680, 14085, 14400, 15024, 15200, 15650, 16416, 16902, 17100, 17841, 18240, 18780, 20032, 20520, 21600, 22536, 22800, 23475, 23788, 25040, 25650, 27360, 28170, 29735, 30048, 30400, 31300, 32832, 33804, 34200, 35682, 37560, 41040, 42255, 43200, 45072, 45600, 46950, 47576, 50080, 51300, 53523, 54720, 56340, 59470, 60096, 62600, 67608, 68400, 70425, 71364, 75120, 82080, 84510, 89205, 90144, 91200, 93900, 95152, 100160, 102600, 107046, 112680, 118940, 125200, 135216, 136800, 140850, 142728, 148675, 150240, 160569, 164160, 169020, 178410, 180288, 187800, 190304, 205200, 211275, 214092, 225360, 237880, 250400, 267615, 270432, 273600, 281700, 285456, 297350, 300480, 321138, 338040, 356820, 375600, 380608, 410400, 422550, 428184, 446025, 450720, 475760, 500800, 535230, 540864, 563400, 570912, 594700, 642276, 676080, 713640, 751200, 802845, 820800, 845100, 856368, 892050, 901440, 951520, 1070460, 1126800, 1141824, 1189400, 1284552, 1338075, 1352160, 1427280, 1502400, 1605690, 1690200, 1712736, 1784100, 1903040, 2140920, 2253600, 2378800, 2569104, 2676150, 2704320, 2854560, 3211380, 3380400, 3425472, 3568200, 4014225, 4281840, 4507200, 4757600, 5138208, 5352300, 5709120, 6422760, 6760800, 7136400, 8028450, 8563680, 9515200, 10276416, 10704600, 12845520, 13521600, 14272800, 16056900, 17127360, 21409200, 25691040, 28545600, 32113800, 42818400, 51382080, 64227600, 85636800, 128455200, 256910400]

約数ペア:

[(1, 256910400), (2, 128455200), (3, 85636800), (4, 64227600), (5, 51382080), (6, 42818400), (8, 32113800), (9, 28545600), (10, 25691040), (12, 21409200), (15, 17127360), (16, 16056900), (18, 14272800), (19, 13521600), (20, 12845520), (24, 10704600), (25, 10276416), (27, 9515200), (30, 8563680), (32, 8028450), (36, 7136400), (38, 6760800), (40, 6422760), (45, 5709120), (48, 5352300), (50, 5138208), (54, 4757600), (57, 4507200), (60, 4281840), (64, 4014225), (72, 3568200), (75, 3425472), (76, 3380400), (80, 3211380), (90, 2854560), (95, 2704320), (96, 2676150), (100, 2569104), (108, 2378800), (114, 2253600), (120, 2140920), (135, 1903040), (144, 1784100), (150, 1712736), (152, 1690200), (160, 1605690), (171, 1502400), (180, 1427280), (190, 1352160), (192, 1338075), (200, 1284552), (216, 1189400), (225, 1141824), (228, 1126800), (240, 1070460), (270, 951520), (285, 901440), (288, 892050), (300, 856368), (304, 845100), (313, 820800), (320, 802845), (342, 751200), (360, 713640), (380, 676080), (400, 642276), (432, 594700), (450, 570912), (456, 563400), (475, 540864), (480, 535230), (513, 500800), (540, 475760), (570, 450720), (576, 446025), (600, 428184), (608, 422550), (626, 410400), (675, 380608), (684, 375600), (720, 356820), (760, 338040), (800, 321138), (855, 300480), (864, 297350), (900, 285456), (912, 281700), (939, 273600), (950, 270432), (960, 267615), (1026, 250400), (1080, 237880), (1140, 225360), (1200, 214092), (1216, 211275), (1252, 205200), (1350, 190304), (1368, 187800), (1425, 180288), (1440, 178410), (1520, 169020), (1565, 164160), (1600, 160569), (1710, 150240), (1728, 148675), (1800, 142728), (1824, 140850), (1878, 136800), (1900, 135216), (2052, 125200), (2160, 118940), (2280, 112680), (2400, 107046), (2504, 102600), (2565, 100160), (2700, 95152), (2736, 93900), (2817, 91200), (2850, 90144), (2880, 89205), (3040, 84510), (3130, 82080), (3420, 75120), (3600, 71364), (3648, 70425), (3756, 68400), (3800, 67608), (4104, 62600), (4275, 60096), (4320, 59470), (4560, 56340), (4695, 54720), (4800, 53523), (5008, 51300), (5130, 50080), (5400, 47576), (5472, 46950), (5634, 45600), (5700, 45072), (5947, 43200), (6080, 42255), (6260, 41040), (6840, 37560), (7200, 35682), (7512, 34200), (7600, 33804), (7825, 32832), (8208, 31300), (8451, 30400), (8550, 30048), (8640, 29735), (9120, 28170), (9390, 27360), (10016, 25650), (10260, 25040), (10800, 23788), (10944, 23475), (11268, 22800), (11400, 22536), (11894, 21600), (12520, 20520), (12825, 20032), (13680, 18780), (14085, 18240), (14400, 17841), (15024, 17100), (15200, 16902), (15650, 16416)]