156441740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1999}}^1$

素因数の和:2071

約数の個数: 96

約数和(自身を含む): 413952000

約数和(自身を除く): 257510260

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 43, 52, 65, 70, 86, 91, 130, 140, 172, 182, 215, 260, 301, 364, 430, 455, 559, 602, 860, 910, 1118, 1204, 1505, 1820, 1999, 2236, 2795, 3010, 3913, 3998, 5590, 6020, 7826, 7996, 9995, 11180, 13993, 15652, 19565, 19990, 25987, 27986, 39130, 39980, 51974, 55972, 69965, 78260, 85957, 103948, 129935, 139930, 171914, 181909, 259870, 279860, 343828, 363818, 429785, 519740, 601699, 727636, 859570, 909545, 1117441, 1203398, 1719140, 1819090, 2234882, 2406796, 3008495, 3638180, 4469764, 5587205, 6016990, 7822087, 11174410, 12033980, 15644174, 22348820, 31288348, 39110435, 78220870, 156441740]

約数ペア:

[(1, 156441740), (2, 78220870), (4, 39110435), (5, 31288348), (7, 22348820), (10, 15644174), (13, 12033980), (14, 11174410), (20, 7822087), (26, 6016990), (28, 5587205), (35, 4469764), (43, 3638180), (52, 3008495), (65, 2406796), (70, 2234882), (86, 1819090), (91, 1719140), (130, 1203398), (140, 1117441), (172, 909545), (182, 859570), (215, 727636), (260, 601699), (301, 519740), (364, 429785), (430, 363818), (455, 343828), (559, 279860), (602, 259870), (860, 181909), (910, 171914), (1118, 139930), (1204, 129935), (1505, 103948), (1820, 85957), (1999, 78260), (2236, 69965), (2795, 55972), (3010, 51974), (3913, 39980), (3998, 39130), (5590, 27986), (6020, 25987), (7826, 19990), (7996, 19565), (9995, 15652), (11180, 13993)]