1720688730

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{683}}^1\times {\mathrm{1063}}^1$

素因数の和:1835

約数の個数: 64

約数和(自身を含む): 4191989760

約数和(自身を除く): 2471301030

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 79, 158, 237, 395, 474, 683, 790, 1063, 1185, 1366, 2049, 2126, 2370, 3189, 3415, 4098, 5315, 6378, 6830, 10245, 10630, 15945, 20490, 31890, 53957, 83977, 107914, 161871, 167954, 251931, 269785, 323742, 419885, 503862, 539570, 726029, 809355, 839770, 1259655, 1452058, 1618710, 2178087, 2519310, 3630145, 4356174, 7260290, 10890435, 21780870, 57356291, 114712582, 172068873, 286781455, 344137746, 573562910, 860344365, 1720688730]

約数ペア:

[(1, 1720688730), (2, 860344365), (3, 573562910), (5, 344137746), (6, 286781455), (10, 172068873), (15, 114712582), (30, 57356291), (79, 21780870), (158, 10890435), (237, 7260290), (395, 4356174), (474, 3630145), (683, 2519310), (790, 2178087), (1063, 1618710), (1185, 1452058), (1366, 1259655), (2049, 839770), (2126, 809355), (2370, 726029), (3189, 539570), (3415, 503862), (4098, 419885), (5315, 323742), (6378, 269785), (6830, 251931), (10245, 167954), (10630, 161871), (15945, 107914), (20490, 83977), (31890, 53957)]