258728960

素因数分解:

$2^{10}\times 5^1\times 7^1\times {\mathrm{7219}}^1$

素因数の和:7251

約数の個数: 88

約数和(自身を含む): 709408320

約数和(自身を除く): 450679360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 512, 560, 640, 896, 1024, 1120, 1280, 1792, 2240, 2560, 3584, 4480, 5120, 7168, 7219, 8960, 14438, 17920, 28876, 35840, 36095, 50533, 57752, 72190, 101066, 115504, 144380, 202132, 231008, 252665, 288760, 404264, 462016, 505330, 577520, 808528, 924032, 1010660, 1155040, 1617056, 1848064, 2021320, 2310080, 3234112, 3696128, 4042640, 4620160, 6468224, 7392256, 8085280, 9240320, 12936448, 16170560, 18480640, 25872896, 32341120, 36961280, 51745792, 64682240, 129364480, 258728960]

約数ペア:

[(1, 258728960), (2, 129364480), (4, 64682240), (5, 51745792), (7, 36961280), (8, 32341120), (10, 25872896), (14, 18480640), (16, 16170560), (20, 12936448), (28, 9240320), (32, 8085280), (35, 7392256), (40, 6468224), (56, 4620160), (64, 4042640), (70, 3696128), (80, 3234112), (112, 2310080), (128, 2021320), (140, 1848064), (160, 1617056), (224, 1155040), (256, 1010660), (280, 924032), (320, 808528), (448, 577520), (512, 505330), (560, 462016), (640, 404264), (896, 288760), (1024, 252665), (1120, 231008), (1280, 202132), (1792, 144380), (2240, 115504), (2560, 101066), (3584, 72190), (4480, 57752), (5120, 50533), (7168, 36095), (7219, 35840), (8960, 28876), (14438, 17920)]