261039360

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{67979}}^1$

素因数の和:68003

約数の個数: 72

約数和(自身を含む): 833706720

約数和(自身を除く): 572667360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 640, 768, 960, 1280, 1920, 3840, 67979, 135958, 203937, 271916, 339895, 407874, 543832, 679790, 815748, 1019685, 1087664, 1359580, 1631496, 2039370, 2175328, 2719160, 3262992, 4078740, 4350656, 5438320, 6525984, 8157480, 8701312, 10876640, 13051968, 16314960, 17402624, 21753280, 26103936, 32629920, 43506560, 52207872, 65259840, 87013120, 130519680, 261039360]

約数ペア:

[(1, 261039360), (2, 130519680), (3, 87013120), (4, 65259840), (5, 52207872), (6, 43506560), (8, 32629920), (10, 26103936), (12, 21753280), (15, 17402624), (16, 16314960), (20, 13051968), (24, 10876640), (30, 8701312), (32, 8157480), (40, 6525984), (48, 5438320), (60, 4350656), (64, 4078740), (80, 3262992), (96, 2719160), (120, 2175328), (128, 2039370), (160, 1631496), (192, 1359580), (240, 1087664), (256, 1019685), (320, 815748), (384, 679790), (480, 543832), (640, 407874), (768, 339895), (960, 271916), (1280, 203937), (1920, 135958), (3840, 67979)]