213256960

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{23801}}^1$

素因数の和:23829

約数の個数: 72

約数和(自身を含む): 583815456

約数和(自身を除く): 370558496

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, 560, 640, 896, 1120, 1280, 1792, 2240, 4480, 8960, 23801, 47602, 95204, 119005, 166607, 190408, 238010, 333214, 380816, 476020, 666428, 761632, 833035, 952040, 1332856, 1523264, 1666070, 1904080, 2665712, 3046528, 3332140, 3808160, 5331424, 6093056, 6664280, 7616320, 10662848, 13328560, 15232640, 21325696, 26657120, 30465280, 42651392, 53314240, 106628480, 213256960]

約数ペア:

[(1, 213256960), (2, 106628480), (4, 53314240), (5, 42651392), (7, 30465280), (8, 26657120), (10, 21325696), (14, 15232640), (16, 13328560), (20, 10662848), (28, 7616320), (32, 6664280), (35, 6093056), (40, 5331424), (56, 3808160), (64, 3332140), (70, 3046528), (80, 2665712), (112, 1904080), (128, 1666070), (140, 1523264), (160, 1332856), (224, 952040), (256, 833035), (280, 761632), (320, 666428), (448, 476020), (560, 380816), (640, 333214), (896, 238010), (1120, 190408), (1280, 166607), (1792, 119005), (2240, 95204), (4480, 47602), (8960, 23801)]