220606720

素因数分解:

$2^8\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{193}}^1$

素因数の和:280

約数の個数: 144

約数和(自身を含む): 571011840

約数和(自身を除く): 350405120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 47, 64, 76, 80, 94, 95, 128, 152, 160, 188, 190, 193, 235, 256, 304, 320, 376, 380, 386, 470, 608, 640, 752, 760, 772, 893, 940, 965, 1216, 1280, 1504, 1520, 1544, 1786, 1880, 1930, 2432, 3008, 3040, 3088, 3572, 3667, 3760, 3860, 4465, 4864, 6016, 6080, 6176, 7144, 7334, 7520, 7720, 8930, 9071, 12032, 12160, 12352, 14288, 14668, 15040, 15440, 17860, 18142, 18335, 24320, 24704, 28576, 29336, 30080, 30880, 35720, 36284, 36670, 45355, 49408, 57152, 58672, 60160, 61760, 71440, 72568, 73340, 90710, 114304, 117344, 123520, 142880, 145136, 146680, 172349, 181420, 228608, 234688, 247040, 285760, 290272, 293360, 344698, 362840, 469376, 571520, 580544, 586720, 689396, 725680, 861745, 938752, 1143040, 1161088, 1173440, 1378792, 1451360, 1723490, 2322176, 2346880, 2757584, 2902720, 3446980, 4693760, 5515168, 5805440, 6893960, 11030336, 11610880, 13787920, 22060672, 27575840, 44121344, 55151680, 110303360, 220606720]

約数ペア:

[(1, 220606720), (2, 110303360), (4, 55151680), (5, 44121344), (8, 27575840), (10, 22060672), (16, 13787920), (19, 11610880), (20, 11030336), (32, 6893960), (38, 5805440), (40, 5515168), (47, 4693760), (64, 3446980), (76, 2902720), (80, 2757584), (94, 2346880), (95, 2322176), (128, 1723490), (152, 1451360), (160, 1378792), (188, 1173440), (190, 1161088), (193, 1143040), (235, 938752), (256, 861745), (304, 725680), (320, 689396), (376, 586720), (380, 580544), (386, 571520), (470, 469376), (608, 362840), (640, 344698), (752, 293360), (760, 290272), (772, 285760), (893, 247040), (940, 234688), (965, 228608), (1216, 181420), (1280, 172349), (1504, 146680), (1520, 145136), (1544, 142880), (1786, 123520), (1880, 117344), (1930, 114304), (2432, 90710), (3008, 73340), (3040, 72568), (3088, 71440), (3572, 61760), (3667, 60160), (3760, 58672), (3860, 57152), (4465, 49408), (4864, 45355), (6016, 36670), (6080, 36284), (6176, 35720), (7144, 30880), (7334, 30080), (7520, 29336), (7720, 28576), (8930, 24704), (9071, 24320), (12032, 18335), (12160, 18142), (12352, 17860), (14288, 15440), (14668, 15040)]