354847920

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{211219}}^1$

素因数の和:211242

約数の個数: 80

約数和(自身を含む): 1257181440

約数和(自身を除く): 902333520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 211219, 422438, 633657, 844876, 1056095, 1267314, 1478533, 1689752, 2112190, 2534628, 2957066, 3168285, 3379504, 4224380, 4435599, 5069256, 5914132, 6336570, 7392665, 8448760, 8871198, 10138512, 11828264, 12673140, 14785330, 16897520, 17742396, 22177995, 23656528, 25346280, 29570660, 35484792, 44355990, 50692560, 59141320, 70969584, 88711980, 118282640, 177423960, 354847920]

約数ペア:

[(1, 354847920), (2, 177423960), (3, 118282640), (4, 88711980), (5, 70969584), (6, 59141320), (7, 50692560), (8, 44355990), (10, 35484792), (12, 29570660), (14, 25346280), (15, 23656528), (16, 22177995), (20, 17742396), (21, 16897520), (24, 14785330), (28, 12673140), (30, 11828264), (35, 10138512), (40, 8871198), (42, 8448760), (48, 7392665), (56, 6336570), (60, 5914132), (70, 5069256), (80, 4435599), (84, 4224380), (105, 3379504), (112, 3168285), (120, 2957066), (140, 2534628), (168, 2112190), (210, 1689752), (240, 1478533), (280, 1267314), (336, 1056095), (420, 844876), (560, 633657), (840, 422438), (1680, 211219)]