20160957560

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{193}}^1\times {\mathrm{1031}}^1$

素因数の和:1401

約数の個数: 128

約数和(自身を含む): 48650544000

約数和(自身を除く): 28489586440

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 149, 170, 193, 298, 340, 386, 596, 680, 745, 772, 965, 1031, 1192, 1490, 1544, 1930, 2062, 2533, 2980, 3281, 3860, 4124, 5066, 5155, 5960, 6562, 7720, 8248, 10132, 10310, 12665, 13124, 16405, 17527, 20264, 20620, 25330, 26248, 28757, 32810, 35054, 41240, 50660, 57514, 65620, 70108, 87635, 101320, 115028, 131240, 140216, 143785, 153619, 175270, 198983, 230056, 287570, 307238, 350540, 397966, 488869, 575140, 614476, 701080, 768095, 795932, 977738, 994915, 1150280, 1228952, 1536190, 1591864, 1955476, 1989830, 2444345, 2611523, 3072380, 3382711, 3910952, 3979660, 4888690, 5223046, 6144760, 6765422, 7959320, 9777380, 10446092, 13057615, 13530844, 16913555, 19554760, 20892184, 26115230, 27061688, 29648467, 33827110, 52230460, 59296934, 67654220, 104460920, 118593868, 135308440, 148242335, 237187736, 296484670, 504023939, 592969340, 1008047878, 1185938680, 2016095756, 2520119695, 4032191512, 5040239390, 10080478780, 20160957560]

約数ペア:

[(1, 20160957560), (2, 10080478780), (4, 5040239390), (5, 4032191512), (8, 2520119695), (10, 2016095756), (17, 1185938680), (20, 1008047878), (34, 592969340), (40, 504023939), (68, 296484670), (85, 237187736), (136, 148242335), (149, 135308440), (170, 118593868), (193, 104460920), (298, 67654220), (340, 59296934), (386, 52230460), (596, 33827110), (680, 29648467), (745, 27061688), (772, 26115230), (965, 20892184), (1031, 19554760), (1192, 16913555), (1490, 13530844), (1544, 13057615), (1930, 10446092), (2062, 9777380), (2533, 7959320), (2980, 6765422), (3281, 6144760), (3860, 5223046), (4124, 4888690), (5066, 3979660), (5155, 3910952), (5960, 3382711), (6562, 3072380), (7720, 2611523), (8248, 2444345), (10132, 1989830), (10310, 1955476), (12665, 1591864), (13124, 1536190), (16405, 1228952), (17527, 1150280), (20264, 994915), (20620, 977738), (25330, 795932), (26248, 768095), (28757, 701080), (32810, 614476), (35054, 575140), (41240, 488869), (50660, 397966), (57514, 350540), (65620, 307238), (70108, 287570), (87635, 230056), (101320, 198983), (115028, 175270), (131240, 153619), (140216, 143785)]