87621660

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{353}}^1$

素因数の和:572

約数の個数: 144

約数和(自身を含む): 306161856

約数和(自身を除く): 218540196

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 197, 210, 252, 315, 353, 394, 420, 591, 630, 706, 788, 985, 1059, 1182, 1260, 1379, 1412, 1765, 1773, 1970, 2118, 2364, 2471, 2758, 2955, 3177, 3530, 3546, 3940, 4137, 4236, 4942, 5295, 5516, 5910, 6354, 6895, 7060, 7092, 7413, 8274, 8865, 9884, 10590, 11820, 12355, 12411, 12708, 13790, 14826, 15885, 16548, 17730, 20685, 21180, 22239, 24710, 24822, 27580, 29652, 31770, 35460, 37065, 41370, 44478, 49420, 49644, 62055, 63540, 69541, 74130, 82740, 88956, 111195, 124110, 139082, 148260, 208623, 222390, 248220, 278164, 347705, 417246, 444780, 486787, 625869, 695410, 834492, 973574, 1043115, 1251738, 1390820, 1460361, 1947148, 2086230, 2433935, 2503476, 2920722, 3129345, 4172460, 4381083, 4867870, 5841444, 6258690, 7301805, 8762166, 9735740, 12517380, 14603610, 17524332, 21905415, 29207220, 43810830, 87621660]

約数ペア:

[(1, 87621660), (2, 43810830), (3, 29207220), (4, 21905415), (5, 17524332), (6, 14603610), (7, 12517380), (9, 9735740), (10, 8762166), (12, 7301805), (14, 6258690), (15, 5841444), (18, 4867870), (20, 4381083), (21, 4172460), (28, 3129345), (30, 2920722), (35, 2503476), (36, 2433935), (42, 2086230), (45, 1947148), (60, 1460361), (63, 1390820), (70, 1251738), (84, 1043115), (90, 973574), (105, 834492), (126, 695410), (140, 625869), (180, 486787), (197, 444780), (210, 417246), (252, 347705), (315, 278164), (353, 248220), (394, 222390), (420, 208623), (591, 148260), (630, 139082), (706, 124110), (788, 111195), (985, 88956), (1059, 82740), (1182, 74130), (1260, 69541), (1379, 63540), (1412, 62055), (1765, 49644), (1773, 49420), (1970, 44478), (2118, 41370), (2364, 37065), (2471, 35460), (2758, 31770), (2955, 29652), (3177, 27580), (3530, 24822), (3546, 24710), (3940, 22239), (4137, 21180), (4236, 20685), (4942, 17730), (5295, 16548), (5516, 15885), (5910, 14826), (6354, 13790), (6895, 12708), (7060, 12411), (7092, 12355), (7413, 11820), (8274, 10590), (8865, 9884)]