123648840

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{353}}^1$

素因数の和:516

約数の個数: 192

約数和(自身を含む): 463881600

約数和(自身を除く): 340232760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 139, 140, 168, 180, 210, 252, 278, 280, 315, 353, 360, 417, 420, 504, 556, 630, 695, 706, 834, 840, 973, 1059, 1112, 1251, 1260, 1390, 1412, 1668, 1765, 1946, 2085, 2118, 2471, 2502, 2520, 2780, 2824, 2919, 3177, 3336, 3530, 3892, 4170, 4236, 4865, 4942, 5004, 5295, 5560, 5838, 6255, 6354, 7060, 7413, 7784, 8340, 8472, 8757, 9730, 9884, 10008, 10590, 11676, 12355, 12510, 12708, 14120, 14595, 14826, 15885, 16680, 17514, 19460, 19768, 21180, 22239, 23352, 24710, 25020, 25416, 29190, 29652, 31770, 35028, 37065, 38920, 42360, 43785, 44478, 49067, 49420, 50040, 58380, 59304, 63540, 70056, 74130, 87570, 88956, 98134, 98840, 111195, 116760, 127080, 147201, 148260, 175140, 177912, 196268, 222390, 245335, 294402, 296520, 343469, 350280, 392536, 441603, 444780, 490670, 588804, 686938, 736005, 883206, 889560, 981340, 1030407, 1177608, 1373876, 1472010, 1717345, 1766412, 1962680, 2060814, 2208015, 2747752, 2944020, 3091221, 3434690, 3532824, 4121628, 4416030, 5152035, 5888040, 6182442, 6869380, 8243256, 8832060, 10304070, 12364884, 13738760, 15456105, 17664120, 20608140, 24729768, 30912210, 41216280, 61824420, 123648840]

約数ペア:

[(1, 123648840), (2, 61824420), (3, 41216280), (4, 30912210), (5, 24729768), (6, 20608140), (7, 17664120), (8, 15456105), (9, 13738760), (10, 12364884), (12, 10304070), (14, 8832060), (15, 8243256), (18, 6869380), (20, 6182442), (21, 5888040), (24, 5152035), (28, 4416030), (30, 4121628), (35, 3532824), (36, 3434690), (40, 3091221), (42, 2944020), (45, 2747752), (56, 2208015), (60, 2060814), (63, 1962680), (70, 1766412), (72, 1717345), (84, 1472010), (90, 1373876), (105, 1177608), (120, 1030407), (126, 981340), (139, 889560), (140, 883206), (168, 736005), (180, 686938), (210, 588804), (252, 490670), (278, 444780), (280, 441603), (315, 392536), (353, 350280), (360, 343469), (417, 296520), (420, 294402), (504, 245335), (556, 222390), (630, 196268), (695, 177912), (706, 175140), (834, 148260), (840, 147201), (973, 127080), (1059, 116760), (1112, 111195), (1251, 98840), (1260, 98134), (1390, 88956), (1412, 87570), (1668, 74130), (1765, 70056), (1946, 63540), (2085, 59304), (2118, 58380), (2471, 50040), (2502, 49420), (2520, 49067), (2780, 44478), (2824, 43785), (2919, 42360), (3177, 38920), (3336, 37065), (3530, 35028), (3892, 31770), (4170, 29652), (4236, 29190), (4865, 25416), (4942, 25020), (5004, 24710), (5295, 23352), (5560, 22239), (5838, 21180), (6255, 19768), (6354, 19460), (7060, 17514), (7413, 16680), (7784, 15885), (8340, 14826), (8472, 14595), (8757, 14120), (9730, 12708), (9884, 12510), (10008, 12355), (10590, 11676)]