138258540

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{557}}^1$

素因数の和:776

約数の個数: 144

約数和(自身を含む): 482594112

約数和(自身を除く): 344335572

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, 557, 591, 630, 788, 985, 1114, 1182, 1260, 1379, 1671, 1773, 1970, 2228, 2364, 2758, 2785, 2955, 3342, 3546, 3899, 3940, 4137, 5013, 5516, 5570, 5910, 6684, 6895, 7092, 7798, 8274, 8355, 8865, 10026, 11140, 11697, 11820, 12411, 13790, 15596, 16548, 16710, 17730, 19495, 20052, 20685, 23394, 24822, 25065, 27580, 33420, 35091, 35460, 38990, 41370, 46788, 49644, 50130, 58485, 62055, 70182, 77980, 82740, 100260, 109729, 116970, 124110, 140364, 175455, 219458, 233940, 248220, 329187, 350910, 438916, 548645, 658374, 701820, 768103, 987561, 1097290, 1316748, 1536206, 1645935, 1975122, 2194580, 2304309, 3072412, 3291870, 3840515, 3950244, 4608618, 4937805, 6583740, 6912927, 7681030, 9217236, 9875610, 11521545, 13825854, 15362060, 19751220, 23043090, 27651708, 34564635, 46086180, 69129270, 138258540]

約数ペア:

[(1, 138258540), (2, 69129270), (3, 46086180), (4, 34564635), (5, 27651708), (6, 23043090), (7, 19751220), (9, 15362060), (10, 13825854), (12, 11521545), (14, 9875610), (15, 9217236), (18, 7681030), (20, 6912927), (21, 6583740), (28, 4937805), (30, 4608618), (35, 3950244), (36, 3840515), (42, 3291870), (45, 3072412), (60, 2304309), (63, 2194580), (70, 1975122), (84, 1645935), (90, 1536206), (105, 1316748), (126, 1097290), (140, 987561), (180, 768103), (197, 701820), (210, 658374), (252, 548645), (315, 438916), (394, 350910), (420, 329187), (557, 248220), (591, 233940), (630, 219458), (788, 175455), (985, 140364), (1114, 124110), (1182, 116970), (1260, 109729), (1379, 100260), (1671, 82740), (1773, 77980), (1970, 70182), (2228, 62055), (2364, 58485), (2758, 50130), (2785, 49644), (2955, 46788), (3342, 41370), (3546, 38990), (3899, 35460), (3940, 35091), (4137, 33420), (5013, 27580), (5516, 25065), (5570, 24822), (5910, 23394), (6684, 20685), (6895, 20052), (7092, 19495), (7798, 17730), (8274, 16710), (8355, 16548), (8865, 15596), (10026, 13790), (11140, 12411), (11697, 11820)]