256924800

素因数分解:

$2^7\times 3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{811}}^1$

素因数の和:852

約数の個数: 288

約数和(自身を含む): 1001342160

約数和(自身を除く): 744417360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 25, 30, 32, 33, 36, 40, 44, 45, 48, 50, 55, 60, 64, 66, 72, 75, 80, 88, 90, 96, 99, 100, 110, 120, 128, 132, 144, 150, 160, 165, 176, 180, 192, 198, 200, 220, 225, 240, 264, 275, 288, 300, 320, 330, 352, 360, 384, 396, 400, 440, 450, 480, 495, 528, 550, 576, 600, 640, 660, 704, 720, 792, 800, 811, 825, 880, 900, 960, 990, 1056, 1100, 1152, 1200, 1320, 1408, 1440, 1584, 1600, 1622, 1650, 1760, 1800, 1920, 1980, 2112, 2200, 2400, 2433, 2475, 2640, 2880, 3168, 3200, 3244, 3300, 3520, 3600, 3960, 4055, 4224, 4400, 4800, 4866, 4950, 5280, 5760, 6336, 6488, 6600, 7040, 7200, 7299, 7920, 8110, 8800, 8921, 9600, 9732, 9900, 10560, 12165, 12672, 12976, 13200, 14400, 14598, 15840, 16220, 17600, 17842, 19464, 19800, 20275, 21120, 24330, 25952, 26400, 26763, 28800, 29196, 31680, 32440, 35200, 35684, 36495, 38928, 39600, 40550, 44605, 48660, 51904, 52800, 53526, 58392, 60825, 63360, 64880, 71368, 72990, 77856, 79200, 80289, 81100, 89210, 97320, 103808, 105600, 107052, 116784, 121650, 129760, 133815, 142736, 145980, 155712, 158400, 160578, 162200, 178420, 182475, 194640, 214104, 223025, 233568, 243300, 259520, 267630, 285472, 291960, 311424, 316800, 321156, 324400, 356840, 364950, 389280, 401445, 428208, 446050, 467136, 486600, 519040, 535260, 570944, 583920, 642312, 648800, 669075, 713680, 729900, 778560, 802890, 856416, 892100, 934272, 973200, 1070520, 1141888, 1167840, 1284624, 1297600, 1338150, 1427360, 1459800, 1557120, 1605780, 1712832, 1784200, 1946400, 2007225, 2141040, 2335680, 2569248, 2595200, 2676300, 2854720, 2919600, 3211560, 3425664, 3568400, 3892800, 4014450, 4282080, 4671360, 5138496, 5352600, 5709440, 5839200, 6423120, 7136800, 7785600, 8028900, 8564160, 10276992, 10705200, 11678400, 12846240, 14273600, 16057800, 17128320, 21410400, 23356800, 25692480, 28547200, 32115600, 42820800, 51384960, 64231200, 85641600, 128462400, 256924800]

約数ペア:

[(1, 256924800), (2, 128462400), (3, 85641600), (4, 64231200), (5, 51384960), (6, 42820800), (8, 32115600), (9, 28547200), (10, 25692480), (11, 23356800), (12, 21410400), (15, 17128320), (16, 16057800), (18, 14273600), (20, 12846240), (22, 11678400), (24, 10705200), (25, 10276992), (30, 8564160), (32, 8028900), (33, 7785600), (36, 7136800), (40, 6423120), (44, 5839200), (45, 5709440), (48, 5352600), (50, 5138496), (55, 4671360), (60, 4282080), (64, 4014450), (66, 3892800), (72, 3568400), (75, 3425664), (80, 3211560), (88, 2919600), (90, 2854720), (96, 2676300), (99, 2595200), (100, 2569248), (110, 2335680), (120, 2141040), (128, 2007225), (132, 1946400), (144, 1784200), (150, 1712832), (160, 1605780), (165, 1557120), (176, 1459800), (180, 1427360), (192, 1338150), (198, 1297600), (200, 1284624), (220, 1167840), (225, 1141888), (240, 1070520), (264, 973200), (275, 934272), (288, 892100), (300, 856416), (320, 802890), (330, 778560), (352, 729900), (360, 713680), (384, 669075), (396, 648800), (400, 642312), (440, 583920), (450, 570944), (480, 535260), (495, 519040), (528, 486600), (550, 467136), (576, 446050), (600, 428208), (640, 401445), (660, 389280), (704, 364950), (720, 356840), (792, 324400), (800, 321156), (811, 316800), (825, 311424), (880, 291960), (900, 285472), (960, 267630), (990, 259520), (1056, 243300), (1100, 233568), (1152, 223025), (1200, 214104), (1320, 194640), (1408, 182475), (1440, 178420), (1584, 162200), (1600, 160578), (1622, 158400), (1650, 155712), (1760, 145980), (1800, 142736), (1920, 133815), (1980, 129760), (2112, 121650), (2200, 116784), (2400, 107052), (2433, 105600), (2475, 103808), (2640, 97320), (2880, 89210), (3168, 81100), (3200, 80289), (3244, 79200), (3300, 77856), (3520, 72990), (3600, 71368), (3960, 64880), (4055, 63360), (4224, 60825), (4400, 58392), (4800, 53526), (4866, 52800), (4950, 51904), (5280, 48660), (5760, 44605), (6336, 40550), (6488, 39600), (6600, 38928), (7040, 36495), (7200, 35684), (7299, 35200), (7920, 32440), (8110, 31680), (8800, 29196), (8921, 28800), (9600, 26763), (9732, 26400), (9900, 25952), (10560, 24330), (12165, 21120), (12672, 20275), (12976, 19800), (13200, 19464), (14400, 17842), (14598, 17600), (15840, 16220)]