30786640

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^2\times {\mathrm{137}}^1$

素因数の和:256

約数の個数: 60

約数和(自身を含む): 73487484

約数和(自身を除く): 42700844

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 137, 212, 265, 274, 424, 530, 548, 685, 848, 1060, 1096, 1370, 2120, 2192, 2740, 2809, 4240, 5480, 5618, 7261, 10960, 11236, 14045, 14522, 22472, 28090, 29044, 36305, 44944, 56180, 58088, 72610, 112360, 116176, 145220, 224720, 290440, 384833, 580880, 769666, 1539332, 1924165, 3078664, 3848330, 6157328, 7696660, 15393320, 30786640]

約数ペア:

[(1, 30786640), (2, 15393320), (4, 7696660), (5, 6157328), (8, 3848330), (10, 3078664), (16, 1924165), (20, 1539332), (40, 769666), (53, 580880), (80, 384833), (106, 290440), (137, 224720), (212, 145220), (265, 116176), (274, 112360), (424, 72610), (530, 58088), (548, 56180), (685, 44944), (848, 36305), (1060, 29044), (1096, 28090), (1370, 22472), (2120, 14522), (2192, 14045), (2740, 11236), (2809, 10960), (4240, 7261), (5480, 5618)]