81679360

素因数分解:

$2^{10}\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:128

約数の個数: 176

約数和(自身を含む): 233456256

約数和(自身を除く): 151776896

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 43, 53, 56, 64, 70, 80, 86, 106, 112, 128, 140, 160, 172, 212, 215, 224, 256, 265, 280, 301, 320, 344, 371, 424, 430, 448, 512, 530, 560, 602, 640, 688, 742, 848, 860, 896, 1024, 1060, 1120, 1204, 1280, 1376, 1484, 1505, 1696, 1720, 1792, 1855, 2120, 2240, 2279, 2408, 2560, 2752, 2968, 3010, 3392, 3440, 3584, 3710, 4240, 4480, 4558, 4816, 5120, 5504, 5936, 6020, 6784, 6880, 7168, 7420, 8480, 8960, 9116, 9632, 11008, 11395, 11872, 12040, 13568, 13760, 14840, 15953, 16960, 17920, 18232, 19264, 22016, 22790, 23744, 24080, 27136, 27520, 29680, 31906, 33920, 35840, 36464, 38528, 44032, 45580, 47488, 48160, 54272, 55040, 59360, 63812, 67840, 72928, 77056, 79765, 91160, 94976, 96320, 110080, 118720, 127624, 135680, 145856, 154112, 159530, 182320, 189952, 192640, 220160, 237440, 255248, 271360, 291712, 308224, 319060, 364640, 379904, 385280, 474880, 510496, 583424, 638120, 729280, 770560, 949760, 1020992, 1166848, 1276240, 1458560, 1541120, 1899520, 2041984, 2333696, 2552480, 2917120, 4083968, 5104960, 5834240, 8167936, 10209920, 11668480, 16335872, 20419840, 40839680, 81679360]

約数ペア:

[(1, 81679360), (2, 40839680), (4, 20419840), (5, 16335872), (7, 11668480), (8, 10209920), (10, 8167936), (14, 5834240), (16, 5104960), (20, 4083968), (28, 2917120), (32, 2552480), (35, 2333696), (40, 2041984), (43, 1899520), (53, 1541120), (56, 1458560), (64, 1276240), (70, 1166848), (80, 1020992), (86, 949760), (106, 770560), (112, 729280), (128, 638120), (140, 583424), (160, 510496), (172, 474880), (212, 385280), (215, 379904), (224, 364640), (256, 319060), (265, 308224), (280, 291712), (301, 271360), (320, 255248), (344, 237440), (371, 220160), (424, 192640), (430, 189952), (448, 182320), (512, 159530), (530, 154112), (560, 145856), (602, 135680), (640, 127624), (688, 118720), (742, 110080), (848, 96320), (860, 94976), (896, 91160), (1024, 79765), (1060, 77056), (1120, 72928), (1204, 67840), (1280, 63812), (1376, 59360), (1484, 55040), (1505, 54272), (1696, 48160), (1720, 47488), (1792, 45580), (1855, 44032), (2120, 38528), (2240, 36464), (2279, 35840), (2408, 33920), (2560, 31906), (2752, 29680), (2968, 27520), (3010, 27136), (3392, 24080), (3440, 23744), (3584, 22790), (3710, 22016), (4240, 19264), (4480, 18232), (4558, 17920), (4816, 16960), (5120, 15953), (5504, 14840), (5936, 13760), (6020, 13568), (6784, 12040), (6880, 11872), (7168, 11395), (7420, 11008), (8480, 9632), (8960, 9116)]