71748040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{857}}^1$

素因数の和:911

約数の個数: 128

約数和(自身を含む): 207567360

約数和(自身を除く): 135819320

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 23, 26, 28, 35, 40, 46, 52, 56, 65, 70, 91, 92, 104, 115, 130, 140, 161, 182, 184, 230, 260, 280, 299, 322, 364, 455, 460, 520, 598, 644, 728, 805, 857, 910, 920, 1196, 1288, 1495, 1610, 1714, 1820, 2093, 2392, 2990, 3220, 3428, 3640, 4186, 4285, 5980, 5999, 6440, 6856, 8372, 8570, 10465, 11141, 11960, 11998, 16744, 17140, 19711, 20930, 22282, 23996, 29995, 34280, 39422, 41860, 44564, 47992, 55705, 59990, 77987, 78844, 83720, 89128, 98555, 111410, 119980, 137977, 155974, 157688, 197110, 222820, 239960, 256243, 275954, 311948, 389935, 394220, 445640, 512486, 551908, 623896, 689885, 779870, 788440, 1024972, 1103816, 1281215, 1379770, 1559740, 1793701, 2049944, 2562430, 2759540, 3119480, 3587402, 5124860, 5519080, 7174804, 8968505, 10249720, 14349608, 17937010, 35874020, 71748040]

約数ペア:

[(1, 71748040), (2, 35874020), (4, 17937010), (5, 14349608), (7, 10249720), (8, 8968505), (10, 7174804), (13, 5519080), (14, 5124860), (20, 3587402), (23, 3119480), (26, 2759540), (28, 2562430), (35, 2049944), (40, 1793701), (46, 1559740), (52, 1379770), (56, 1281215), (65, 1103816), (70, 1024972), (91, 788440), (92, 779870), (104, 689885), (115, 623896), (130, 551908), (140, 512486), (161, 445640), (182, 394220), (184, 389935), (230, 311948), (260, 275954), (280, 256243), (299, 239960), (322, 222820), (364, 197110), (455, 157688), (460, 155974), (520, 137977), (598, 119980), (644, 111410), (728, 98555), (805, 89128), (857, 83720), (910, 78844), (920, 77987), (1196, 59990), (1288, 55705), (1495, 47992), (1610, 44564), (1714, 41860), (1820, 39422), (2093, 34280), (2392, 29995), (2990, 23996), (3220, 22282), (3428, 20930), (3640, 19711), (4186, 17140), (4285, 16744), (5980, 11998), (5999, 11960), (6440, 11141), (6856, 10465), (8372, 8570)]