187902540

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{757}}^1$

素因数の和:976

約数の個数: 144

約数和(自身を含む): 655566912

約数和(自身を除く): 467664372

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, 394, 420, 591, 630, 757, 788, 985, 1182, 1260, 1379, 1514, 1773, 1970, 2271, 2364, 2758, 2955, 3028, 3546, 3785, 3940, 4137, 4542, 5299, 5516, 5910, 6813, 6895, 7092, 7570, 8274, 8865, 9084, 10598, 11355, 11820, 12411, 13626, 13790, 15140, 15897, 16548, 17730, 20685, 21196, 22710, 24822, 26495, 27252, 27580, 31794, 34065, 35460, 41370, 45420, 47691, 49644, 52990, 62055, 63588, 68130, 79485, 82740, 95382, 105980, 124110, 136260, 149129, 158970, 190764, 238455, 248220, 298258, 317940, 447387, 476910, 596516, 745645, 894774, 953820, 1043903, 1342161, 1491290, 1789548, 2087806, 2236935, 2684322, 2982580, 3131709, 4175612, 4473870, 5219515, 5368644, 6263418, 6710805, 8947740, 9395127, 10439030, 12526836, 13421610, 15658545, 18790254, 20878060, 26843220, 31317090, 37580508, 46975635, 62634180, 93951270, 187902540]

約数ペア:

[(1, 187902540), (2, 93951270), (3, 62634180), (4, 46975635), (5, 37580508), (6, 31317090), (7, 26843220), (9, 20878060), (10, 18790254), (12, 15658545), (14, 13421610), (15, 12526836), (18, 10439030), (20, 9395127), (21, 8947740), (28, 6710805), (30, 6263418), (35, 5368644), (36, 5219515), (42, 4473870), (45, 4175612), (60, 3131709), (63, 2982580), (70, 2684322), (84, 2236935), (90, 2087806), (105, 1789548), (126, 1491290), (140, 1342161), (180, 1043903), (197, 953820), (210, 894774), (252, 745645), (315, 596516), (394, 476910), (420, 447387), (591, 317940), (630, 298258), (757, 248220), (788, 238455), (985, 190764), (1182, 158970), (1260, 149129), (1379, 136260), (1514, 124110), (1773, 105980), (1970, 95382), (2271, 82740), (2364, 79485), (2758, 68130), (2955, 63588), (3028, 62055), (3546, 52990), (3785, 49644), (3940, 47691), (4137, 45420), (4542, 41370), (5299, 35460), (5516, 34065), (5910, 31794), (6813, 27580), (6895, 27252), (7092, 26495), (7570, 24822), (8274, 22710), (8865, 21196), (9084, 20685), (10598, 17730), (11355, 16548), (11820, 15897), (12411, 15140), (13626, 13790)]