155245520

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{1061}}^1$

素因数の和:1164

約数の個数: 80

約数和(自身を含む): 379261440

約数和(自身を除く): 224015920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 59, 62, 80, 118, 124, 155, 236, 248, 295, 310, 472, 496, 590, 620, 944, 1061, 1180, 1240, 1829, 2122, 2360, 2480, 3658, 4244, 4720, 5305, 7316, 8488, 9145, 10610, 14632, 16976, 18290, 21220, 29264, 32891, 36580, 42440, 62599, 65782, 73160, 84880, 125198, 131564, 146320, 164455, 250396, 263128, 312995, 328910, 500792, 526256, 625990, 657820, 1001584, 1251980, 1315640, 1940569, 2503960, 2631280, 3881138, 5007920, 7762276, 9702845, 15524552, 19405690, 31049104, 38811380, 77622760, 155245520]

約数ペア:

[(1, 155245520), (2, 77622760), (4, 38811380), (5, 31049104), (8, 19405690), (10, 15524552), (16, 9702845), (20, 7762276), (31, 5007920), (40, 3881138), (59, 2631280), (62, 2503960), (80, 1940569), (118, 1315640), (124, 1251980), (155, 1001584), (236, 657820), (248, 625990), (295, 526256), (310, 500792), (472, 328910), (496, 312995), (590, 263128), (620, 250396), (944, 164455), (1061, 146320), (1180, 131564), (1240, 125198), (1829, 84880), (2122, 73160), (2360, 65782), (2480, 62599), (3658, 42440), (4244, 36580), (4720, 32891), (5305, 29264), (7316, 21220), (8488, 18290), (9145, 16976), (10610, 14632)]