163445940

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{129719}}^1$

素因数の和:129741

約数の個数: 72

約数和(自身を含む): 566616960

約数和(自身を除く): 403171020

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 129719, 259438, 389157, 518876, 648595, 778314, 908033, 1167471, 1297190, 1556628, 1816066, 1945785, 2334942, 2594380, 2724099, 3632132, 3891570, 4540165, 4669884, 5448198, 5837355, 7783140, 8172297, 9080330, 10896396, 11674710, 13620495, 16344594, 18160660, 23349420, 27240990, 32689188, 40861485, 54481980, 81722970, 163445940]

約数ペア:

[(1, 163445940), (2, 81722970), (3, 54481980), (4, 40861485), (5, 32689188), (6, 27240990), (7, 23349420), (9, 18160660), (10, 16344594), (12, 13620495), (14, 11674710), (15, 10896396), (18, 9080330), (20, 8172297), (21, 7783140), (28, 5837355), (30, 5448198), (35, 4669884), (36, 4540165), (42, 3891570), (45, 3632132), (60, 2724099), (63, 2594380), (70, 2334942), (84, 1945785), (90, 1816066), (105, 1556628), (126, 1297190), (140, 1167471), (180, 908033), (210, 778314), (252, 648595), (315, 518876), (420, 389157), (630, 259438), (1260, 129719)]