158071480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{18211}}^1$

素因数の和:18260

約数の個数: 64

約数和(自身を含む): 419604480

約数和(自身を除く): 261533000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 868, 1085, 1240, 1736, 2170, 4340, 8680, 18211, 36422, 72844, 91055, 127477, 145688, 182110, 254954, 364220, 509908, 564541, 637385, 728440, 1019816, 1129082, 1274770, 2258164, 2549540, 2822705, 3951787, 4516328, 5099080, 5645410, 7903574, 11290820, 15807148, 19758935, 22581640, 31614296, 39517870, 79035740, 158071480]

約数ペア:

[(1, 158071480), (2, 79035740), (4, 39517870), (5, 31614296), (7, 22581640), (8, 19758935), (10, 15807148), (14, 11290820), (20, 7903574), (28, 5645410), (31, 5099080), (35, 4516328), (40, 3951787), (56, 2822705), (62, 2549540), (70, 2258164), (124, 1274770), (140, 1129082), (155, 1019816), (217, 728440), (248, 637385), (280, 564541), (310, 509908), (434, 364220), (620, 254954), (868, 182110), (1085, 145688), (1240, 127477), (1736, 91055), (2170, 72844), (4340, 36422), (8680, 18211)]