65431680

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{643}}^1$

素因数の和:718

約数の個数: 128

約数和(自身を含む): 212829120

約数和(自身を除く): 147397440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 53, 60, 64, 80, 96, 106, 120, 128, 159, 160, 192, 212, 240, 265, 318, 320, 384, 424, 480, 530, 636, 640, 643, 795, 848, 960, 1060, 1272, 1286, 1590, 1696, 1920, 1929, 2120, 2544, 2572, 3180, 3215, 3392, 3858, 4240, 5088, 5144, 6360, 6430, 6784, 7716, 8480, 9645, 10176, 10288, 12720, 12860, 15432, 16960, 19290, 20352, 20576, 25440, 25720, 30864, 33920, 34079, 38580, 41152, 50880, 51440, 61728, 68158, 77160, 82304, 101760, 102237, 102880, 123456, 136316, 154320, 170395, 204474, 205760, 246912, 272632, 308640, 340790, 408948, 411520, 511185, 545264, 617280, 681580, 817896, 1022370, 1090528, 1234560, 1363160, 1635792, 2044740, 2181056, 2726320, 3271584, 4089480, 4362112, 5452640, 6543168, 8178960, 10905280, 13086336, 16357920, 21810560, 32715840, 65431680]

約数ペア:

[(1, 65431680), (2, 32715840), (3, 21810560), (4, 16357920), (5, 13086336), (6, 10905280), (8, 8178960), (10, 6543168), (12, 5452640), (15, 4362112), (16, 4089480), (20, 3271584), (24, 2726320), (30, 2181056), (32, 2044740), (40, 1635792), (48, 1363160), (53, 1234560), (60, 1090528), (64, 1022370), (80, 817896), (96, 681580), (106, 617280), (120, 545264), (128, 511185), (159, 411520), (160, 408948), (192, 340790), (212, 308640), (240, 272632), (265, 246912), (318, 205760), (320, 204474), (384, 170395), (424, 154320), (480, 136316), (530, 123456), (636, 102880), (640, 102237), (643, 101760), (795, 82304), (848, 77160), (960, 68158), (1060, 61728), (1272, 51440), (1286, 50880), (1590, 41152), (1696, 38580), (1920, 34079), (1929, 33920), (2120, 30864), (2544, 25720), (2572, 25440), (3180, 20576), (3215, 20352), (3392, 19290), (3858, 16960), (4240, 15432), (5088, 12860), (5144, 12720), (6360, 10288), (6430, 10176), (6784, 9645), (7716, 8480)]