261815680

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{58441}}^1$

素因数の和:58467

約数の個数: 64

約数和(自身を含む): 715330080

約数和(自身を除く): 453514400

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, 280, 320, 448, 560, 640, 896, 1120, 2240, 4480, 58441, 116882, 233764, 292205, 409087, 467528, 584410, 818174, 935056, 1168820, 1636348, 1870112, 2045435, 2337640, 3272696, 3740224, 4090870, 4675280, 6545392, 7480448, 8181740, 9350560, 13090784, 16363480, 18701120, 26181568, 32726960, 37402240, 52363136, 65453920, 130907840, 261815680]

約数ペア:

[(1, 261815680), (2, 130907840), (4, 65453920), (5, 52363136), (7, 37402240), (8, 32726960), (10, 26181568), (14, 18701120), (16, 16363480), (20, 13090784), (28, 9350560), (32, 8181740), (35, 7480448), (40, 6545392), (56, 4675280), (64, 4090870), (70, 3740224), (80, 3272696), (112, 2337640), (128, 2045435), (140, 1870112), (160, 1636348), (224, 1168820), (280, 935056), (320, 818174), (448, 584410), (560, 467528), (640, 409087), (896, 292205), (1120, 233764), (2240, 116882), (4480, 58441)]