856171980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{60209}}^1$

素因数の和:60303

約数の個数: 72

約数和(自身を含む): 2629972800

約数和(自身を除く): 1773800820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 79, 90, 158, 180, 237, 316, 395, 474, 711, 790, 948, 1185, 1422, 1580, 2370, 2844, 3555, 4740, 7110, 14220, 60209, 120418, 180627, 240836, 301045, 361254, 541881, 602090, 722508, 903135, 1083762, 1204180, 1806270, 2167524, 2709405, 3612540, 4756511, 5418810, 9513022, 10837620, 14269533, 19026044, 23782555, 28539066, 42808599, 47565110, 57078132, 71347665, 85617198, 95130220, 142695330, 171234396, 214042995, 285390660, 428085990, 856171980]

約数ペア:

[(1, 856171980), (2, 428085990), (3, 285390660), (4, 214042995), (5, 171234396), (6, 142695330), (9, 95130220), (10, 85617198), (12, 71347665), (15, 57078132), (18, 47565110), (20, 42808599), (30, 28539066), (36, 23782555), (45, 19026044), (60, 14269533), (79, 10837620), (90, 9513022), (158, 5418810), (180, 4756511), (237, 3612540), (316, 2709405), (395, 2167524), (474, 1806270), (711, 1204180), (790, 1083762), (948, 903135), (1185, 722508), (1422, 602090), (1580, 541881), (2370, 361254), (2844, 301045), (3555, 240836), (4740, 180627), (7110, 120418), (14220, 60209)]