252578560

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{353}}^1$

素因数の和:430

約数の個数: 144

約数和(自身を含む): 668584224

約数和(自身を除く): 416005664

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 43, 52, 64, 65, 80, 86, 104, 128, 130, 160, 172, 208, 215, 256, 260, 320, 344, 353, 416, 430, 520, 559, 640, 688, 706, 832, 860, 1040, 1118, 1280, 1376, 1412, 1664, 1720, 1765, 2080, 2236, 2752, 2795, 2824, 3328, 3440, 3530, 4160, 4472, 4589, 5504, 5590, 5648, 6880, 7060, 8320, 8944, 9178, 11008, 11180, 11296, 13760, 14120, 15179, 16640, 17888, 18356, 22360, 22592, 22945, 27520, 28240, 30358, 35776, 36712, 44720, 45184, 45890, 55040, 56480, 60716, 71552, 73424, 75895, 89440, 90368, 91780, 112960, 121432, 143104, 146848, 151790, 178880, 183560, 197327, 225920, 242864, 293696, 303580, 357760, 367120, 394654, 451840, 485728, 587392, 607160, 715520, 734240, 789308, 971456, 986635, 1174784, 1214320, 1468480, 1578616, 1942912, 1973270, 2428640, 2936960, 3157232, 3885824, 3946540, 4857280, 5873920, 6314464, 7893080, 9714560, 12628928, 15786160, 19429120, 25257856, 31572320, 50515712, 63144640, 126289280, 252578560]

約数ペア:

[(1, 252578560), (2, 126289280), (4, 63144640), (5, 50515712), (8, 31572320), (10, 25257856), (13, 19429120), (16, 15786160), (20, 12628928), (26, 9714560), (32, 7893080), (40, 6314464), (43, 5873920), (52, 4857280), (64, 3946540), (65, 3885824), (80, 3157232), (86, 2936960), (104, 2428640), (128, 1973270), (130, 1942912), (160, 1578616), (172, 1468480), (208, 1214320), (215, 1174784), (256, 986635), (260, 971456), (320, 789308), (344, 734240), (353, 715520), (416, 607160), (430, 587392), (520, 485728), (559, 451840), (640, 394654), (688, 367120), (706, 357760), (832, 303580), (860, 293696), (1040, 242864), (1118, 225920), (1280, 197327), (1376, 183560), (1412, 178880), (1664, 151790), (1720, 146848), (1765, 143104), (2080, 121432), (2236, 112960), (2752, 91780), (2795, 90368), (2824, 89440), (3328, 75895), (3440, 73424), (3530, 71552), (4160, 60716), (4472, 56480), (4589, 55040), (5504, 45890), (5590, 45184), (5648, 44720), (6880, 36712), (7060, 35776), (8320, 30358), (8944, 28240), (9178, 27520), (11008, 22945), (11180, 22592), (11296, 22360), (13760, 18356), (14120, 17888), (15179, 16640)]