247979520

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{229}}^1$

素因数の和:305

約数の個数: 240

約数和(自身を含む): 880925760

約数和(自身を除く): 632946240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 47, 48, 60, 64, 72, 80, 90, 94, 96, 120, 128, 141, 144, 160, 180, 188, 192, 229, 235, 240, 256, 282, 288, 320, 360, 376, 384, 423, 458, 470, 480, 512, 564, 576, 640, 687, 705, 720, 752, 768, 846, 916, 940, 960, 1128, 1145, 1152, 1280, 1374, 1410, 1440, 1504, 1536, 1692, 1832, 1880, 1920, 2061, 2115, 2256, 2290, 2304, 2560, 2748, 2820, 2880, 3008, 3384, 3435, 3664, 3760, 3840, 4122, 4230, 4512, 4580, 4608, 5496, 5640, 5760, 6016, 6768, 6870, 7328, 7520, 7680, 8244, 8460, 9024, 9160, 10305, 10763, 10992, 11280, 11520, 12032, 13536, 13740, 14656, 15040, 16488, 16920, 18048, 18320, 20610, 21526, 21984, 22560, 23040, 24064, 27072, 27480, 29312, 30080, 32289, 32976, 33840, 36096, 36640, 41220, 43052, 43968, 45120, 53815, 54144, 54960, 58624, 60160, 64578, 65952, 67680, 72192, 73280, 82440, 86104, 87936, 90240, 96867, 107630, 108288, 109920, 117248, 120320, 129156, 131904, 135360, 146560, 161445, 164880, 172208, 175872, 180480, 193734, 215260, 216576, 219840, 258312, 263808, 270720, 293120, 322890, 329760, 344416, 351744, 360960, 387468, 430520, 439680, 484335, 516624, 527616, 541440, 586240, 645780, 659520, 688832, 774936, 861040, 879360, 968670, 1033248, 1055232, 1082880, 1291560, 1319040, 1377664, 1549872, 1722080, 1758720, 1937340, 2066496, 2583120, 2638080, 2755328, 3099744, 3444160, 3874680, 4132992, 5166240, 5276160, 5510656, 6199488, 6888320, 7749360, 8265984, 10332480, 12398976, 13776640, 15498720, 16531968, 20664960, 24797952, 27553280, 30997440, 41329920, 49595904, 61994880, 82659840, 123989760, 247979520]

約数ペア:

[(1, 247979520), (2, 123989760), (3, 82659840), (4, 61994880), (5, 49595904), (6, 41329920), (8, 30997440), (9, 27553280), (10, 24797952), (12, 20664960), (15, 16531968), (16, 15498720), (18, 13776640), (20, 12398976), (24, 10332480), (30, 8265984), (32, 7749360), (36, 6888320), (40, 6199488), (45, 5510656), (47, 5276160), (48, 5166240), (60, 4132992), (64, 3874680), (72, 3444160), (80, 3099744), (90, 2755328), (94, 2638080), (96, 2583120), (120, 2066496), (128, 1937340), (141, 1758720), (144, 1722080), (160, 1549872), (180, 1377664), (188, 1319040), (192, 1291560), (229, 1082880), (235, 1055232), (240, 1033248), (256, 968670), (282, 879360), (288, 861040), (320, 774936), (360, 688832), (376, 659520), (384, 645780), (423, 586240), (458, 541440), (470, 527616), (480, 516624), (512, 484335), (564, 439680), (576, 430520), (640, 387468), (687, 360960), (705, 351744), (720, 344416), (752, 329760), (768, 322890), (846, 293120), (916, 270720), (940, 263808), (960, 258312), (1128, 219840), (1145, 216576), (1152, 215260), (1280, 193734), (1374, 180480), (1410, 175872), (1440, 172208), (1504, 164880), (1536, 161445), (1692, 146560), (1832, 135360), (1880, 131904), (1920, 129156), (2061, 120320), (2115, 117248), (2256, 109920), (2290, 108288), (2304, 107630), (2560, 96867), (2748, 90240), (2820, 87936), (2880, 86104), (3008, 82440), (3384, 73280), (3435, 72192), (3664, 67680), (3760, 65952), (3840, 64578), (4122, 60160), (4230, 58624), (4512, 54960), (4580, 54144), (4608, 53815), (5496, 45120), (5640, 43968), (5760, 43052), (6016, 41220), (6768, 36640), (6870, 36096), (7328, 33840), (7520, 32976), (7680, 32289), (8244, 30080), (8460, 29312), (9024, 27480), (9160, 27072), (10305, 24064), (10763, 23040), (10992, 22560), (11280, 21984), (11520, 21526), (12032, 20610), (13536, 18320), (13740, 18048), (14656, 16920), (15040, 16488)]