138692760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1621}}^1$

素因数の和:1689

約数の個数: 128

約数和(自身を含む): 448450560

約数和(自身を除く): 309757800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 31, 40, 46, 60, 62, 69, 92, 93, 115, 120, 124, 138, 155, 184, 186, 230, 248, 276, 310, 345, 372, 460, 465, 552, 620, 690, 713, 744, 920, 930, 1240, 1380, 1426, 1621, 1860, 2139, 2760, 2852, 3242, 3565, 3720, 4278, 4863, 5704, 6484, 7130, 8105, 8556, 9726, 10695, 12968, 14260, 16210, 17112, 19452, 21390, 24315, 28520, 32420, 37283, 38904, 42780, 48630, 50251, 64840, 74566, 85560, 97260, 100502, 111849, 149132, 150753, 186415, 194520, 201004, 223698, 251255, 298264, 301506, 372830, 402008, 447396, 502510, 559245, 603012, 745660, 753765, 894792, 1005020, 1118490, 1155773, 1206024, 1491320, 1507530, 2010040, 2236980, 2311546, 3015060, 3467319, 4473960, 4623092, 5778865, 6030120, 6934638, 9246184, 11557730, 13869276, 17336595, 23115460, 27738552, 34673190, 46230920, 69346380, 138692760]

約数ペア:

[(1, 138692760), (2, 69346380), (3, 46230920), (4, 34673190), (5, 27738552), (6, 23115460), (8, 17336595), (10, 13869276), (12, 11557730), (15, 9246184), (20, 6934638), (23, 6030120), (24, 5778865), (30, 4623092), (31, 4473960), (40, 3467319), (46, 3015060), (60, 2311546), (62, 2236980), (69, 2010040), (92, 1507530), (93, 1491320), (115, 1206024), (120, 1155773), (124, 1118490), (138, 1005020), (155, 894792), (184, 753765), (186, 745660), (230, 603012), (248, 559245), (276, 502510), (310, 447396), (345, 402008), (372, 372830), (460, 301506), (465, 298264), (552, 251255), (620, 223698), (690, 201004), (713, 194520), (744, 186415), (920, 150753), (930, 149132), (1240, 111849), (1380, 100502), (1426, 97260), (1621, 85560), (1860, 74566), (2139, 64840), (2760, 50251), (2852, 48630), (3242, 42780), (3565, 38904), (3720, 37283), (4278, 32420), (4863, 28520), (5704, 24315), (6484, 21390), (7130, 19452), (8105, 17112), (8556, 16210), (9726, 14260), (10695, 12968)]