140557760

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{479}}^1$

素因数の和:634

約数の個数: 112

約数和(自身を含む): 386242560

約数和(自身を除く): 245684800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 131, 140, 160, 224, 262, 280, 320, 448, 479, 524, 560, 655, 917, 958, 1048, 1120, 1310, 1834, 1916, 2096, 2240, 2395, 2620, 3353, 3668, 3832, 4192, 4585, 4790, 5240, 6706, 7336, 7664, 8384, 9170, 9580, 10480, 13412, 14672, 15328, 16765, 18340, 19160, 20960, 26824, 29344, 30656, 33530, 36680, 38320, 41920, 53648, 58688, 62749, 67060, 73360, 76640, 107296, 125498, 134120, 146720, 153280, 214592, 250996, 268240, 293440, 313745, 439243, 501992, 536480, 627490, 878486, 1003984, 1072960, 1254980, 1756972, 2007968, 2196215, 2509960, 3513944, 4015936, 4392430, 5019920, 7027888, 8784860, 10039840, 14055776, 17569720, 20079680, 28111552, 35139440, 70278880, 140557760]

約数ペア:

[(1, 140557760), (2, 70278880), (4, 35139440), (5, 28111552), (7, 20079680), (8, 17569720), (10, 14055776), (14, 10039840), (16, 8784860), (20, 7027888), (28, 5019920), (32, 4392430), (35, 4015936), (40, 3513944), (56, 2509960), (64, 2196215), (70, 2007968), (80, 1756972), (112, 1254980), (131, 1072960), (140, 1003984), (160, 878486), (224, 627490), (262, 536480), (280, 501992), (320, 439243), (448, 313745), (479, 293440), (524, 268240), (560, 250996), (655, 214592), (917, 153280), (958, 146720), (1048, 134120), (1120, 125498), (1310, 107296), (1834, 76640), (1916, 73360), (2096, 67060), (2240, 62749), (2395, 58688), (2620, 53648), (3353, 41920), (3668, 38320), (3832, 36680), (4192, 33530), (4585, 30656), (4790, 29344), (5240, 26824), (6706, 20960), (7336, 19160), (7664, 18340), (8384, 16765), (9170, 15328), (9580, 14672), (10480, 13412)]