20864586240

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{905581}}^1$

素因数の和:905610

約数の個数: 120

約数和(自身を含む): 72260010108

約数和(自身を除く): 51395423868

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 256, 288, 320, 360, 384, 480, 512, 576, 640, 720, 768, 960, 1152, 1280, 1440, 1536, 1920, 2304, 2560, 2880, 3840, 4608, 5760, 7680, 11520, 23040, 905581, 1811162, 2716743, 3622324, 4527905, 5433486, 7244648, 8150229, 9055810, 10866972, 13583715, 14489296, 16300458, 18111620, 21733944, 27167430, 28978592, 32600916, 36223240, 40751145, 43467888, 54334860, 57957184, 65201832, 72446480, 81502290, 86935776, 108669720, 115914368, 130403664, 144892960, 163004580, 173871552, 217339440, 231828736, 260807328, 289785920, 326009160, 347743104, 434678880, 463657472, 521614656, 579571840, 652018320, 695486208, 869357760, 1043229312, 1159143680, 1304036640, 1390972416, 1738715520, 2086458624, 2318287360, 2608073280, 3477431040, 4172917248, 5216146560, 6954862080, 10432293120, 20864586240]

約数ペア:

[(1, 20864586240), (2, 10432293120), (3, 6954862080), (4, 5216146560), (5, 4172917248), (6, 3477431040), (8, 2608073280), (9, 2318287360), (10, 2086458624), (12, 1738715520), (15, 1390972416), (16, 1304036640), (18, 1159143680), (20, 1043229312), (24, 869357760), (30, 695486208), (32, 652018320), (36, 579571840), (40, 521614656), (45, 463657472), (48, 434678880), (60, 347743104), (64, 326009160), (72, 289785920), (80, 260807328), (90, 231828736), (96, 217339440), (120, 173871552), (128, 163004580), (144, 144892960), (160, 130403664), (180, 115914368), (192, 108669720), (240, 86935776), (256, 81502290), (288, 72446480), (320, 65201832), (360, 57957184), (384, 54334860), (480, 43467888), (512, 40751145), (576, 36223240), (640, 32600916), (720, 28978592), (768, 27167430), (960, 21733944), (1152, 18111620), (1280, 16300458), (1440, 14489296), (1536, 13583715), (1920, 10866972), (2304, 9055810), (2560, 8150229), (2880, 7244648), (3840, 5433486), (4608, 4527905), (5760, 3622324), (7680, 2716743), (11520, 1811162), (23040, 905581)]