1538147840

素因数分解:

$2^9\times 5^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1$

素因数の和:312

約数の個数: 160

約数和(自身を含む): 3840423840

約数和(自身を除く): 2302276000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 89, 128, 157, 160, 172, 178, 215, 256, 314, 320, 344, 356, 430, 445, 512, 628, 640, 688, 712, 785, 860, 890, 1256, 1280, 1376, 1424, 1570, 1720, 1780, 2512, 2560, 2752, 2848, 3140, 3440, 3560, 3827, 5024, 5504, 5696, 6280, 6751, 6880, 7120, 7654, 10048, 11008, 11392, 12560, 13502, 13760, 13973, 14240, 15308, 19135, 20096, 22016, 22784, 25120, 27004, 27520, 27946, 28480, 30616, 33755, 38270, 40192, 45568, 50240, 54008, 55040, 55892, 56960, 61232, 67510, 69865, 76540, 80384, 100480, 108016, 110080, 111784, 113920, 122464, 135020, 139730, 153080, 200960, 216032, 223568, 227840, 244928, 270040, 279460, 306160, 401920, 432064, 447136, 489856, 540080, 558920, 600839, 612320, 864128, 894272, 979712, 1080160, 1117840, 1201678, 1224640, 1728256, 1788544, 1959424, 2160320, 2235680, 2403356, 2449280, 3004195, 3456512, 3577088, 4320640, 4471360, 4806712, 4898560, 6008390, 7154176, 8641280, 8942720, 9613424, 9797120, 12016780, 17282560, 17885440, 19226848, 24033560, 35770880, 38453696, 48067120, 76907392, 96134240, 153814784, 192268480, 307629568, 384536960, 769073920, 1538147840]

約数ペア:

[(1, 1538147840), (2, 769073920), (4, 384536960), (5, 307629568), (8, 192268480), (10, 153814784), (16, 96134240), (20, 76907392), (32, 48067120), (40, 38453696), (43, 35770880), (64, 24033560), (80, 19226848), (86, 17885440), (89, 17282560), (128, 12016780), (157, 9797120), (160, 9613424), (172, 8942720), (178, 8641280), (215, 7154176), (256, 6008390), (314, 4898560), (320, 4806712), (344, 4471360), (356, 4320640), (430, 3577088), (445, 3456512), (512, 3004195), (628, 2449280), (640, 2403356), (688, 2235680), (712, 2160320), (785, 1959424), (860, 1788544), (890, 1728256), (1256, 1224640), (1280, 1201678), (1376, 1117840), (1424, 1080160), (1570, 979712), (1720, 894272), (1780, 864128), (2512, 612320), (2560, 600839), (2752, 558920), (2848, 540080), (3140, 489856), (3440, 447136), (3560, 432064), (3827, 401920), (5024, 306160), (5504, 279460), (5696, 270040), (6280, 244928), (6751, 227840), (6880, 223568), (7120, 216032), (7654, 200960), (10048, 153080), (11008, 139730), (11392, 135020), (12560, 122464), (13502, 113920), (13760, 111784), (13973, 110080), (14240, 108016), (15308, 100480), (19135, 80384), (20096, 76540), (22016, 69865), (22784, 67510), (25120, 61232), (27004, 56960), (27520, 55892), (27946, 55040), (28480, 54008), (30616, 50240), (33755, 45568), (38270, 40192)]