142802120

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{115163}}^1$

素因数の和:115205

約数の個数: 32

約数和(自身を含む): 331672320

約数和(自身を除く): 188870200

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 115163, 230326, 460652, 575815, 921304, 1151630, 2303260, 3570053, 4606520, 7140106, 14280212, 17850265, 28560424, 35700530, 71401060, 142802120]

約数ペア:

[(1, 142802120), (2, 71401060), (4, 35700530), (5, 28560424), (8, 17850265), (10, 14280212), (20, 7140106), (31, 4606520), (40, 3570053), (62, 2303260), (124, 1151630), (155, 921304), (248, 575815), (310, 460652), (620, 230326), (1240, 115163)]