121936640

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{439}}^1$

素因数の和:498

約数の個数: 144

約数和(自身を含む): 345354240

約数和(自身を除く): 223417600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 80, 112, 124, 128, 140, 155, 160, 217, 224, 248, 256, 280, 310, 320, 434, 439, 448, 496, 560, 620, 640, 868, 878, 896, 992, 1085, 1120, 1240, 1280, 1736, 1756, 1792, 1984, 2170, 2195, 2240, 2480, 3073, 3472, 3512, 3968, 4340, 4390, 4480, 4960, 6146, 6944, 7024, 7936, 8680, 8780, 8960, 9920, 12292, 13609, 13888, 14048, 15365, 17360, 17560, 19840, 24584, 27218, 27776, 28096, 30730, 34720, 35120, 39680, 49168, 54436, 55552, 56192, 61460, 68045, 69440, 70240, 95263, 98336, 108872, 112384, 122920, 136090, 138880, 140480, 190526, 196672, 217744, 245840, 272180, 277760, 280960, 381052, 393344, 435488, 476315, 491680, 544360, 561920, 762104, 786688, 870976, 952630, 983360, 1088720, 1524208, 1741952, 1905260, 1966720, 2177440, 3048416, 3483904, 3810520, 3933440, 4354880, 6096832, 7621040, 8709760, 12193664, 15242080, 17419520, 24387328, 30484160, 60968320, 121936640]

約数ペア:

[(1, 121936640), (2, 60968320), (4, 30484160), (5, 24387328), (7, 17419520), (8, 15242080), (10, 12193664), (14, 8709760), (16, 7621040), (20, 6096832), (28, 4354880), (31, 3933440), (32, 3810520), (35, 3483904), (40, 3048416), (56, 2177440), (62, 1966720), (64, 1905260), (70, 1741952), (80, 1524208), (112, 1088720), (124, 983360), (128, 952630), (140, 870976), (155, 786688), (160, 762104), (217, 561920), (224, 544360), (248, 491680), (256, 476315), (280, 435488), (310, 393344), (320, 381052), (434, 280960), (439, 277760), (448, 272180), (496, 245840), (560, 217744), (620, 196672), (640, 190526), (868, 140480), (878, 138880), (896, 136090), (992, 122920), (1085, 112384), (1120, 108872), (1240, 98336), (1280, 95263), (1736, 70240), (1756, 69440), (1792, 68045), (1984, 61460), (2170, 56192), (2195, 55552), (2240, 54436), (2480, 49168), (3073, 39680), (3472, 35120), (3512, 34720), (3968, 30730), (4340, 28096), (4390, 27776), (4480, 27218), (4960, 24584), (6146, 19840), (6944, 17560), (7024, 17360), (7936, 15365), (8680, 14048), (8780, 13888), (8960, 13609), (9920, 12292)]