240679040

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1733}}^1$

素因数の和:1790

約数の個数: 128

約数和(自身を含む): 679173120

約数和(自身を除く): 438494080

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, 280, 310, 320, 434, 448, 496, 560, 620, 640, 868, 896, 992, 1085, 1120, 1240, 1733, 1736, 1984, 2170, 2240, 2480, 3466, 3472, 3968, 4340, 4480, 4960, 6932, 6944, 8665, 8680, 9920, 12131, 13864, 13888, 17330, 17360, 19840, 24262, 27728, 27776, 34660, 34720, 48524, 53723, 55456, 60655, 69320, 69440, 97048, 107446, 110912, 121310, 138640, 138880, 194096, 214892, 221824, 242620, 268615, 277280, 376061, 388192, 429784, 485240, 537230, 554560, 752122, 776384, 859568, 970480, 1074460, 1109120, 1504244, 1552768, 1719136, 1880305, 1940960, 2148920, 3008488, 3438272, 3760610, 3881920, 4297840, 6016976, 6876544, 7521220, 7763840, 8595680, 12033952, 15042440, 17191360, 24067904, 30084880, 34382720, 48135808, 60169760, 120339520, 240679040]

約数ペア:

[(1, 240679040), (2, 120339520), (4, 60169760), (5, 48135808), (7, 34382720), (8, 30084880), (10, 24067904), (14, 17191360), (16, 15042440), (20, 12033952), (28, 8595680), (31, 7763840), (32, 7521220), (35, 6876544), (40, 6016976), (56, 4297840), (62, 3881920), (64, 3760610), (70, 3438272), (80, 3008488), (112, 2148920), (124, 1940960), (128, 1880305), (140, 1719136), (155, 1552768), (160, 1504244), (217, 1109120), (224, 1074460), (248, 970480), (280, 859568), (310, 776384), (320, 752122), (434, 554560), (448, 537230), (496, 485240), (560, 429784), (620, 388192), (640, 376061), (868, 277280), (896, 268615), (992, 242620), (1085, 221824), (1120, 214892), (1240, 194096), (1733, 138880), (1736, 138640), (1984, 121310), (2170, 110912), (2240, 107446), (2480, 97048), (3466, 69440), (3472, 69320), (3968, 60655), (4340, 55456), (4480, 53723), (4960, 48524), (6932, 34720), (6944, 34660), (8665, 27776), (8680, 27728), (9920, 24262), (12131, 19840), (13864, 17360), (13888, 17330)]