64540420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1$

素因数の和:281

約数の個数: 96

約数和(自身を含む): 161796096

約数和(自身を除く): 97255676

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 70, 71, 86, 140, 142, 151, 172, 215, 284, 301, 302, 355, 430, 497, 602, 604, 710, 755, 860, 994, 1057, 1204, 1420, 1505, 1510, 1988, 2114, 2485, 3010, 3020, 3053, 4228, 4970, 5285, 6020, 6106, 6493, 9940, 10570, 10721, 12212, 12986, 15265, 21140, 21371, 21442, 25972, 30530, 32465, 42742, 42884, 45451, 53605, 61060, 64930, 75047, 85484, 90902, 106855, 107210, 129860, 150094, 181804, 213710, 214420, 227255, 300188, 375235, 427420, 454510, 461003, 750470, 909020, 922006, 1500940, 1844012, 2305015, 3227021, 4610030, 6454042, 9220060, 12908084, 16135105, 32270210, 64540420]

約数ペア:

[(1, 64540420), (2, 32270210), (4, 16135105), (5, 12908084), (7, 9220060), (10, 6454042), (14, 4610030), (20, 3227021), (28, 2305015), (35, 1844012), (43, 1500940), (70, 922006), (71, 909020), (86, 750470), (140, 461003), (142, 454510), (151, 427420), (172, 375235), (215, 300188), (284, 227255), (301, 214420), (302, 213710), (355, 181804), (430, 150094), (497, 129860), (602, 107210), (604, 106855), (710, 90902), (755, 85484), (860, 75047), (994, 64930), (1057, 61060), (1204, 53605), (1420, 45451), (1505, 42884), (1510, 42742), (1988, 32465), (2114, 30530), (2485, 25972), (3010, 21442), (3020, 21371), (3053, 21140), (4228, 15265), (4970, 12986), (5285, 12212), (6020, 10721), (6106, 10570), (6493, 9940)]