171812220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1\times {\mathrm{557}}^1$

素因数の和:719

約数の個数: 96

約数和(自身を含む): 496093248

約数和(自身を除く): 324281028

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 53, 60, 97, 106, 159, 194, 212, 265, 291, 318, 388, 485, 530, 557, 582, 636, 795, 970, 1060, 1114, 1164, 1455, 1590, 1671, 1940, 2228, 2785, 2910, 3180, 3342, 5141, 5570, 5820, 6684, 8355, 10282, 11140, 15423, 16710, 20564, 25705, 29521, 30846, 33420, 51410, 54029, 59042, 61692, 77115, 88563, 102820, 108058, 118084, 147605, 154230, 162087, 177126, 216116, 270145, 295210, 308460, 324174, 354252, 442815, 540290, 590420, 648348, 810435, 885630, 1080580, 1620870, 1771260, 2863537, 3241740, 5727074, 8590611, 11454148, 14317685, 17181222, 28635370, 34362444, 42953055, 57270740, 85906110, 171812220]

約数ペア:

[(1, 171812220), (2, 85906110), (3, 57270740), (4, 42953055), (5, 34362444), (6, 28635370), (10, 17181222), (12, 14317685), (15, 11454148), (20, 8590611), (30, 5727074), (53, 3241740), (60, 2863537), (97, 1771260), (106, 1620870), (159, 1080580), (194, 885630), (212, 810435), (265, 648348), (291, 590420), (318, 540290), (388, 442815), (485, 354252), (530, 324174), (557, 308460), (582, 295210), (636, 270145), (795, 216116), (970, 177126), (1060, 162087), (1114, 154230), (1164, 147605), (1455, 118084), (1590, 108058), (1671, 102820), (1940, 88563), (2228, 77115), (2785, 61692), (2910, 59042), (3180, 54029), (3342, 51410), (5141, 33420), (5570, 30846), (5820, 29521), (6684, 25705), (8355, 20564), (10282, 16710), (11140, 15423)]