1642009020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{208907}}^1$

素因数の和:209050

約数の個数: 48

約数和(自身を含む): 4632743808

約数和(自身を除く): 2990734788

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 131, 262, 393, 524, 655, 786, 1310, 1572, 1965, 2620, 3930, 7860, 208907, 417814, 626721, 835628, 1044535, 1253442, 2089070, 2506884, 3133605, 4178140, 6267210, 12534420, 27366817, 54733634, 82100451, 109467268, 136834085, 164200902, 273668170, 328401804, 410502255, 547336340, 821004510, 1642009020]

約数ペア:

[(1, 1642009020), (2, 821004510), (3, 547336340), (4, 410502255), (5, 328401804), (6, 273668170), (10, 164200902), (12, 136834085), (15, 109467268), (20, 82100451), (30, 54733634), (60, 27366817), (131, 12534420), (262, 6267210), (393, 4178140), (524, 3133605), (655, 2506884), (786, 2089070), (1310, 1253442), (1572, 1044535), (1965, 835628), (2620, 626721), (3930, 417814), (7860, 208907)]