138008280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1613}}^1$

素因数の和:1681

約数の個数: 128

約数和(自身を含む): 446238720

約数和(自身を除く): 308230440

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, 1613, 1860, 2139, 2760, 2852, 3226, 3565, 3720, 4278, 4839, 5704, 6452, 7130, 8065, 8556, 9678, 10695, 12904, 14260, 16130, 17112, 19356, 21390, 24195, 28520, 32260, 37099, 38712, 42780, 48390, 50003, 64520, 74198, 85560, 96780, 100006, 111297, 148396, 150009, 185495, 193560, 200012, 222594, 250015, 296792, 300018, 370990, 400024, 445188, 500030, 556485, 600036, 741980, 750045, 890376, 1000060, 1112970, 1150069, 1200072, 1483960, 1500090, 2000120, 2225940, 2300138, 3000180, 3450207, 4451880, 4600276, 5750345, 6000360, 6900414, 9200552, 11500690, 13800828, 17251035, 23001380, 27601656, 34502070, 46002760, 69004140, 138008280]

約数ペア:

[(1, 138008280), (2, 69004140), (3, 46002760), (4, 34502070), (5, 27601656), (6, 23001380), (8, 17251035), (10, 13800828), (12, 11500690), (15, 9200552), (20, 6900414), (23, 6000360), (24, 5750345), (30, 4600276), (31, 4451880), (40, 3450207), (46, 3000180), (60, 2300138), (62, 2225940), (69, 2000120), (92, 1500090), (93, 1483960), (115, 1200072), (120, 1150069), (124, 1112970), (138, 1000060), (155, 890376), (184, 750045), (186, 741980), (230, 600036), (248, 556485), (276, 500030), (310, 445188), (345, 400024), (372, 370990), (460, 300018), (465, 296792), (552, 250015), (620, 222594), (690, 200012), (713, 193560), (744, 185495), (920, 150009), (930, 148396), (1240, 111297), (1380, 100006), (1426, 96780), (1613, 85560), (1860, 74198), (2139, 64520), (2760, 50003), (2852, 48390), (3226, 42780), (3565, 38712), (3720, 37099), (4278, 32260), (4839, 28520), (5704, 24195), (6452, 21390), (7130, 19356), (8065, 17112), (8556, 16130), (9678, 14260), (10695, 12904)]