171727640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{431}}^1\times {\mathrm{1423}}^1$

素因数の和:1872

約数の個数: 64

約数和(自身を含む): 442920960

約数和(自身を除く): 271193320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 431, 862, 1423, 1724, 2155, 2846, 3017, 3448, 4310, 5692, 6034, 7115, 8620, 9961, 11384, 12068, 14230, 15085, 17240, 19922, 24136, 28460, 30170, 39844, 49805, 56920, 60340, 79688, 99610, 120680, 199220, 398440, 613313, 1226626, 2453252, 3066565, 4293191, 4906504, 6133130, 8586382, 12266260, 17172764, 21465955, 24532520, 34345528, 42931910, 85863820, 171727640]

約数ペア:

[(1, 171727640), (2, 85863820), (4, 42931910), (5, 34345528), (7, 24532520), (8, 21465955), (10, 17172764), (14, 12266260), (20, 8586382), (28, 6133130), (35, 4906504), (40, 4293191), (56, 3066565), (70, 2453252), (140, 1226626), (280, 613313), (431, 398440), (862, 199220), (1423, 120680), (1724, 99610), (2155, 79688), (2846, 60340), (3017, 56920), (3448, 49805), (4310, 39844), (5692, 30170), (6034, 28460), (7115, 24136), (8620, 19922), (9961, 17240), (11384, 15085), (12068, 14230)]