285877760

素因数分解:

$2^9\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:133

約数の個数: 240

約数和(自身を含む): 831281616

約数和(自身を除く): 545403856

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 43, 49, 53, 56, 64, 70, 80, 86, 98, 106, 112, 128, 140, 160, 172, 196, 212, 215, 224, 245, 256, 265, 280, 301, 320, 344, 371, 392, 424, 430, 448, 490, 512, 530, 560, 602, 640, 688, 742, 784, 848, 860, 896, 980, 1060, 1120, 1204, 1280, 1376, 1484, 1505, 1568, 1696, 1720, 1792, 1855, 1960, 2107, 2120, 2240, 2279, 2408, 2560, 2597, 2752, 2968, 3010, 3136, 3392, 3440, 3584, 3710, 3920, 4214, 4240, 4480, 4558, 4816, 5194, 5504, 5936, 6020, 6272, 6784, 6880, 7420, 7840, 8428, 8480, 8960, 9116, 9632, 10388, 10535, 11008, 11395, 11872, 12040, 12544, 12985, 13568, 13760, 14840, 15680, 15953, 16856, 16960, 17920, 18232, 19264, 20776, 21070, 22016, 22790, 23744, 24080, 25088, 25970, 27136, 27520, 29680, 31360, 31906, 33712, 33920, 36464, 38528, 41552, 42140, 45580, 47488, 48160, 51940, 55040, 59360, 62720, 63812, 67424, 67840, 72928, 77056, 79765, 83104, 84280, 91160, 94976, 96320, 103880, 110080, 111671, 118720, 125440, 127624, 134848, 135680, 145856, 154112, 159530, 166208, 168560, 182320, 189952, 192640, 207760, 223342, 237440, 255248, 269696, 291712, 319060, 332416, 337120, 364640, 385280, 415520, 446684, 474880, 510496, 539392, 558355, 583424, 638120, 664832, 674240, 729280, 770560, 831040, 893368, 949760, 1020992, 1078784, 1116710, 1166848, 1276240, 1329664, 1348480, 1458560, 1662080, 1786736, 2041984, 2233420, 2552480, 2696960, 2917120, 3324160, 3573472, 4083968, 4466840, 5104960, 5393920, 5834240, 6648320, 7146944, 8167936, 8933680, 10209920, 14293888, 17867360, 20419840, 28587776, 35734720, 40839680, 57175552, 71469440, 142938880, 285877760]

約数ペア:

[(1, 285877760), (2, 142938880), (4, 71469440), (5, 57175552), (7, 40839680), (8, 35734720), (10, 28587776), (14, 20419840), (16, 17867360), (20, 14293888), (28, 10209920), (32, 8933680), (35, 8167936), (40, 7146944), (43, 6648320), (49, 5834240), (53, 5393920), (56, 5104960), (64, 4466840), (70, 4083968), (80, 3573472), (86, 3324160), (98, 2917120), (106, 2696960), (112, 2552480), (128, 2233420), (140, 2041984), (160, 1786736), (172, 1662080), (196, 1458560), (212, 1348480), (215, 1329664), (224, 1276240), (245, 1166848), (256, 1116710), (265, 1078784), (280, 1020992), (301, 949760), (320, 893368), (344, 831040), (371, 770560), (392, 729280), (424, 674240), (430, 664832), (448, 638120), (490, 583424), (512, 558355), (530, 539392), (560, 510496), (602, 474880), (640, 446684), (688, 415520), (742, 385280), (784, 364640), (848, 337120), (860, 332416), (896, 319060), (980, 291712), (1060, 269696), (1120, 255248), (1204, 237440), (1280, 223342), (1376, 207760), (1484, 192640), (1505, 189952), (1568, 182320), (1696, 168560), (1720, 166208), (1792, 159530), (1855, 154112), (1960, 145856), (2107, 135680), (2120, 134848), (2240, 127624), (2279, 125440), (2408, 118720), (2560, 111671), (2597, 110080), (2752, 103880), (2968, 96320), (3010, 94976), (3136, 91160), (3392, 84280), (3440, 83104), (3584, 79765), (3710, 77056), (3920, 72928), (4214, 67840), (4240, 67424), (4480, 63812), (4558, 62720), (4816, 59360), (5194, 55040), (5504, 51940), (5936, 48160), (6020, 47488), (6272, 45580), (6784, 42140), (6880, 41552), (7420, 38528), (7840, 36464), (8428, 33920), (8480, 33712), (8960, 31906), (9116, 31360), (9632, 29680), (10388, 27520), (10535, 27136), (11008, 25970), (11395, 25088), (11872, 24080), (12040, 23744), (12544, 22790), (12985, 22016), (13568, 21070), (13760, 20776), (14840, 19264), (15680, 18232), (15953, 17920), (16856, 16960)]