20157368640

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{293}}^1\times {\mathrm{71663}}^1$

素因数の和:71976

約数の個数: 112

約数和(自身を含む): 64218970368

約数和(自身を除く): 44061601728

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 240, 293, 320, 480, 586, 879, 960, 1172, 1465, 1758, 2344, 2930, 3516, 4395, 4688, 5860, 7032, 8790, 9376, 11720, 14064, 17580, 18752, 23440, 28128, 35160, 46880, 56256, 70320, 71663, 93760, 140640, 143326, 214989, 281280, 286652, 358315, 429978, 573304, 716630, 859956, 1074945, 1146608, 1433260, 1719912, 2149890, 2293216, 2866520, 3439824, 4299780, 4586432, 5733040, 6879648, 8599560, 11466080, 13759296, 17199120, 20997259, 22932160, 34398240, 41994518, 62991777, 68796480, 83989036, 104986295, 125983554, 167978072, 209972590, 251967108, 314958885, 335956144, 419945180, 503934216, 629917770, 671912288, 839890360, 1007868432, 1259835540, 1343824576, 1679780720, 2015736864, 2519671080, 3359561440, 4031473728, 5039342160, 6719122880, 10078684320, 20157368640]

約数ペア:

[(1, 20157368640), (2, 10078684320), (3, 6719122880), (4, 5039342160), (5, 4031473728), (6, 3359561440), (8, 2519671080), (10, 2015736864), (12, 1679780720), (15, 1343824576), (16, 1259835540), (20, 1007868432), (24, 839890360), (30, 671912288), (32, 629917770), (40, 503934216), (48, 419945180), (60, 335956144), (64, 314958885), (80, 251967108), (96, 209972590), (120, 167978072), (160, 125983554), (192, 104986295), (240, 83989036), (293, 68796480), (320, 62991777), (480, 41994518), (586, 34398240), (879, 22932160), (960, 20997259), (1172, 17199120), (1465, 13759296), (1758, 11466080), (2344, 8599560), (2930, 6879648), (3516, 5733040), (4395, 4586432), (4688, 4299780), (5860, 3439824), (7032, 2866520), (8790, 2293216), (9376, 2149890), (11720, 1719912), (14064, 1433260), (17580, 1146608), (18752, 1074945), (23440, 859956), (28128, 716630), (35160, 573304), (46880, 429978), (56256, 358315), (70320, 286652), (71663, 281280), (93760, 214989), (140640, 143326)]