168988260

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{229}}^1\times {\mathrm{251}}^1$

素因数の和:506

約数の個数: 144

約数和(自身を含む): 555024960

約数和(自身を除く): 386036700

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 229, 245, 251, 294, 420, 458, 490, 502, 588, 687, 735, 753, 916, 980, 1004, 1145, 1255, 1374, 1470, 1506, 1603, 1757, 2290, 2510, 2748, 2940, 3012, 3206, 3435, 3514, 3765, 4580, 4809, 5020, 5271, 6412, 6870, 7028, 7530, 8015, 8785, 9618, 10542, 11221, 12299, 13740, 15060, 16030, 17570, 19236, 21084, 22442, 24045, 24598, 26355, 32060, 33663, 35140, 36897, 44884, 48090, 49196, 52710, 56105, 57479, 61495, 67326, 73794, 96180, 105420, 112210, 114958, 122990, 134652, 147588, 168315, 172437, 184485, 224420, 229916, 245980, 287395, 336630, 344874, 368970, 402353, 574790, 673260, 689748, 737940, 804706, 862185, 1149580, 1207059, 1609412, 1724370, 2011765, 2414118, 2816471, 3448740, 4023530, 4828236, 5632942, 6035295, 8047060, 8449413, 11265884, 12070590, 14082355, 16898826, 24141180, 28164710, 33797652, 42247065, 56329420, 84494130, 168988260]

約数ペア:

[(1, 168988260), (2, 84494130), (3, 56329420), (4, 42247065), (5, 33797652), (6, 28164710), (7, 24141180), (10, 16898826), (12, 14082355), (14, 12070590), (15, 11265884), (20, 8449413), (21, 8047060), (28, 6035295), (30, 5632942), (35, 4828236), (42, 4023530), (49, 3448740), (60, 2816471), (70, 2414118), (84, 2011765), (98, 1724370), (105, 1609412), (140, 1207059), (147, 1149580), (196, 862185), (210, 804706), (229, 737940), (245, 689748), (251, 673260), (294, 574790), (420, 402353), (458, 368970), (490, 344874), (502, 336630), (588, 287395), (687, 245980), (735, 229916), (753, 224420), (916, 184485), (980, 172437), (1004, 168315), (1145, 147588), (1255, 134652), (1374, 122990), (1470, 114958), (1506, 112210), (1603, 105420), (1757, 96180), (2290, 73794), (2510, 67326), (2748, 61495), (2940, 57479), (3012, 56105), (3206, 52710), (3435, 49196), (3514, 48090), (3765, 44884), (4580, 36897), (4809, 35140), (5020, 33663), (5271, 32060), (6412, 26355), (6870, 24598), (7028, 24045), (7530, 22442), (8015, 21084), (8785, 19236), (9618, 17570), (10542, 16030), (11221, 15060), (12299, 13740)]