187243720

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1$

素因数の和:239

約数の個数: 128

約数和(自身を含む): 464486400

約数和(自身を除く): 277242680

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 31, 40, 41, 58, 62, 82, 116, 124, 127, 145, 155, 164, 205, 232, 248, 254, 290, 310, 328, 410, 508, 580, 620, 635, 820, 899, 1016, 1160, 1189, 1240, 1270, 1271, 1640, 1798, 2378, 2540, 2542, 3596, 3683, 3937, 4495, 4756, 5080, 5084, 5207, 5945, 6355, 7192, 7366, 7874, 8990, 9512, 10168, 10414, 11890, 12710, 14732, 15748, 17980, 18415, 19685, 20828, 23780, 25420, 26035, 29464, 31496, 35960, 36830, 36859, 39370, 41656, 47560, 50840, 52070, 73660, 73718, 78740, 104140, 114173, 147320, 147436, 151003, 157480, 161417, 184295, 208280, 228346, 294872, 302006, 322834, 368590, 456692, 570865, 604012, 645668, 737180, 755015, 807085, 913384, 1141730, 1208024, 1291336, 1474360, 1510030, 1614170, 2283460, 3020060, 3228340, 4566920, 4681093, 6040120, 6456680, 9362186, 18724372, 23405465, 37448744, 46810930, 93621860, 187243720]

約数ペア:

[(1, 187243720), (2, 93621860), (4, 46810930), (5, 37448744), (8, 23405465), (10, 18724372), (20, 9362186), (29, 6456680), (31, 6040120), (40, 4681093), (41, 4566920), (58, 3228340), (62, 3020060), (82, 2283460), (116, 1614170), (124, 1510030), (127, 1474360), (145, 1291336), (155, 1208024), (164, 1141730), (205, 913384), (232, 807085), (248, 755015), (254, 737180), (290, 645668), (310, 604012), (328, 570865), (410, 456692), (508, 368590), (580, 322834), (620, 302006), (635, 294872), (820, 228346), (899, 208280), (1016, 184295), (1160, 161417), (1189, 157480), (1240, 151003), (1270, 147436), (1271, 147320), (1640, 114173), (1798, 104140), (2378, 78740), (2540, 73718), (2542, 73660), (3596, 52070), (3683, 50840), (3937, 47560), (4495, 41656), (4756, 39370), (5080, 36859), (5084, 36830), (5207, 35960), (5945, 31496), (6355, 29464), (7192, 26035), (7366, 25420), (7874, 23780), (8990, 20828), (9512, 19685), (10168, 18415), (10414, 17980), (11890, 15748), (12710, 14732)]