81164370

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{523}}^1\times {\mathrm{739}}^1$

素因数の和:1279

約数の個数: 64

約数和(自身を含む): 223349760

約数和(自身を除く): 142185390

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 523, 739, 1046, 1478, 1569, 2217, 2615, 3138, 3661, 3695, 4434, 5173, 5230, 7322, 7390, 7845, 10346, 10983, 11085, 15519, 15690, 18305, 21966, 22170, 25865, 31038, 36610, 51730, 54915, 77595, 109830, 155190, 386497, 772994, 1159491, 1932485, 2318982, 2705479, 3864970, 5410958, 5797455, 8116437, 11594910, 13527395, 16232874, 27054790, 40582185, 81164370]

約数ペア:

[(1, 81164370), (2, 40582185), (3, 27054790), (5, 16232874), (6, 13527395), (7, 11594910), (10, 8116437), (14, 5797455), (15, 5410958), (21, 3864970), (30, 2705479), (35, 2318982), (42, 1932485), (70, 1159491), (105, 772994), (210, 386497), (523, 155190), (739, 109830), (1046, 77595), (1478, 54915), (1569, 51730), (2217, 36610), (2615, 31038), (3138, 25865), (3661, 22170), (3695, 21966), (4434, 18305), (5173, 15690), (5230, 15519), (7322, 11085), (7390, 10983), (7845, 10346)]