2158261760

素因数分解:

$2^9\times 5^1\times {\mathrm{53}}^1\times {\mathrm{15907}}^1$

素因数の和:15983

約数の個数: 80

約数和(自身を含む): 5272738416

約数和(自身を除く): 3114476656

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 64, 80, 106, 128, 160, 212, 256, 265, 320, 424, 512, 530, 640, 848, 1060, 1280, 1696, 2120, 2560, 3392, 4240, 6784, 8480, 13568, 15907, 16960, 27136, 31814, 33920, 63628, 67840, 79535, 127256, 135680, 159070, 254512, 318140, 509024, 636280, 843071, 1018048, 1272560, 1686142, 2036096, 2545120, 3372284, 4072192, 4215355, 5090240, 6744568, 8144384, 8430710, 10180480, 13489136, 16861420, 20360960, 26978272, 33722840, 40721920, 53956544, 67445680, 107913088, 134891360, 215826176, 269782720, 431652352, 539565440, 1079130880, 2158261760]

約数ペア:

[(1, 2158261760), (2, 1079130880), (4, 539565440), (5, 431652352), (8, 269782720), (10, 215826176), (16, 134891360), (20, 107913088), (32, 67445680), (40, 53956544), (53, 40721920), (64, 33722840), (80, 26978272), (106, 20360960), (128, 16861420), (160, 13489136), (212, 10180480), (256, 8430710), (265, 8144384), (320, 6744568), (424, 5090240), (512, 4215355), (530, 4072192), (640, 3372284), (848, 2545120), (1060, 2036096), (1280, 1686142), (1696, 1272560), (2120, 1018048), (2560, 843071), (3392, 636280), (4240, 509024), (6784, 318140), (8480, 254512), (13568, 159070), (15907, 135680), (16960, 127256), (27136, 79535), (31814, 67840), (33920, 63628)]