126540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1$

素因数の和:71

約数の個数: 72

約数和(自身を含む): 414960

約数和(自身を除く): 288420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 37, 38, 45, 57, 60, 74, 76, 90, 95, 111, 114, 148, 171, 180, 185, 190, 222, 228, 285, 333, 342, 370, 380, 444, 555, 570, 666, 684, 703, 740, 855, 1110, 1140, 1332, 1406, 1665, 1710, 2109, 2220, 2812, 3330, 3420, 3515, 4218, 6327, 6660, 7030, 8436, 10545, 12654, 14060, 21090, 25308, 31635, 42180, 63270, 126540]

約数ペア:

[(1, 126540), (2, 63270), (3, 42180), (4, 31635), (5, 25308), (6, 21090), (9, 14060), (10, 12654), (12, 10545), (15, 8436), (18, 7030), (19, 6660), (20, 6327), (30, 4218), (36, 3515), (37, 3420), (38, 3330), (45, 2812), (57, 2220), (60, 2109), (74, 1710), (76, 1665), (90, 1406), (95, 1332), (111, 1140), (114, 1110), (148, 855), (171, 740), (180, 703), (185, 684), (190, 666), (222, 570), (228, 555), (285, 444), (333, 380), (342, 370)]