420005664

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^1\times {\mathrm{112181}}^1$

素因数の和:112210

約数の個数: 72

約数和(自身を含む): 1286278812

約数和(自身を除く): 866273148

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 72, 78, 96, 104, 117, 144, 156, 208, 234, 288, 312, 416, 468, 624, 936, 1248, 1872, 3744, 112181, 224362, 336543, 448724, 673086, 897448, 1009629, 1346172, 1458353, 1794896, 2019258, 2692344, 2916706, 3589792, 4038516, 4375059, 5384688, 5833412, 8077032, 8750118, 10769376, 11666824, 13125177, 16154064, 17500236, 23333648, 26250354, 32308128, 35000472, 46667296, 52500708, 70000944, 105001416, 140001888, 210002832, 420005664]

約数ペア:

[(1, 420005664), (2, 210002832), (3, 140001888), (4, 105001416), (6, 70000944), (8, 52500708), (9, 46667296), (12, 35000472), (13, 32308128), (16, 26250354), (18, 23333648), (24, 17500236), (26, 16154064), (32, 13125177), (36, 11666824), (39, 10769376), (48, 8750118), (52, 8077032), (72, 5833412), (78, 5384688), (96, 4375059), (104, 4038516), (117, 3589792), (144, 2916706), (156, 2692344), (208, 2019258), (234, 1794896), (288, 1458353), (312, 1346172), (416, 1009629), (468, 897448), (624, 673086), (936, 448724), (1248, 336543), (1872, 224362), (3744, 112181)]