40206720

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{487}}^1$

素因数の和:552

約数の個数: 128

約数和(自身を含む): 131408640

約数和(自身を除く): 91201920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 43, 48, 60, 64, 80, 86, 96, 120, 128, 129, 160, 172, 192, 215, 240, 258, 320, 344, 384, 430, 480, 487, 516, 640, 645, 688, 860, 960, 974, 1032, 1290, 1376, 1461, 1720, 1920, 1948, 2064, 2435, 2580, 2752, 2922, 3440, 3896, 4128, 4870, 5160, 5504, 5844, 6880, 7305, 7792, 8256, 9740, 10320, 11688, 13760, 14610, 15584, 16512, 19480, 20640, 20941, 23376, 27520, 29220, 31168, 38960, 41280, 41882, 46752, 58440, 62336, 62823, 77920, 82560, 83764, 93504, 104705, 116880, 125646, 155840, 167528, 187008, 209410, 233760, 251292, 311680, 314115, 335056, 418820, 467520, 502584, 628230, 670112, 837640, 935040, 1005168, 1256460, 1340224, 1675280, 2010336, 2512920, 2680448, 3350560, 4020672, 5025840, 6701120, 8041344, 10051680, 13402240, 20103360, 40206720]

約数ペア:

[(1, 40206720), (2, 20103360), (3, 13402240), (4, 10051680), (5, 8041344), (6, 6701120), (8, 5025840), (10, 4020672), (12, 3350560), (15, 2680448), (16, 2512920), (20, 2010336), (24, 1675280), (30, 1340224), (32, 1256460), (40, 1005168), (43, 935040), (48, 837640), (60, 670112), (64, 628230), (80, 502584), (86, 467520), (96, 418820), (120, 335056), (128, 314115), (129, 311680), (160, 251292), (172, 233760), (192, 209410), (215, 187008), (240, 167528), (258, 155840), (320, 125646), (344, 116880), (384, 104705), (430, 93504), (480, 83764), (487, 82560), (516, 77920), (640, 62823), (645, 62336), (688, 58440), (860, 46752), (960, 41882), (974, 41280), (1032, 38960), (1290, 31168), (1376, 29220), (1461, 27520), (1720, 23376), (1920, 20941), (1948, 20640), (2064, 19480), (2435, 16512), (2580, 15584), (2752, 14610), (2922, 13760), (3440, 11688), (3896, 10320), (4128, 9740), (4870, 8256), (5160, 7792), (5504, 7305), (5844, 6880)]