83310780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{659}}^1$

素因数の和:728

約数の個数: 144

約数和(自身を含む): 278087040

約数和(自身を除く): 194776260

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 43, 49, 60, 70, 84, 86, 98, 105, 129, 140, 147, 172, 196, 210, 215, 245, 258, 294, 301, 420, 430, 490, 516, 588, 602, 645, 659, 735, 860, 903, 980, 1204, 1290, 1318, 1470, 1505, 1806, 1977, 2107, 2580, 2636, 2940, 3010, 3295, 3612, 3954, 4214, 4515, 4613, 6020, 6321, 6590, 7908, 8428, 9030, 9226, 9885, 10535, 12642, 13180, 13839, 18060, 18452, 19770, 21070, 23065, 25284, 27678, 28337, 31605, 32291, 39540, 42140, 46130, 55356, 56674, 63210, 64582, 69195, 85011, 92260, 96873, 113348, 126420, 129164, 138390, 141685, 161455, 170022, 193746, 198359, 276780, 283370, 322910, 340044, 387492, 396718, 425055, 484365, 566740, 595077, 645820, 793436, 850110, 968730, 991795, 1190154, 1388513, 1700220, 1937460, 1983590, 2380308, 2777026, 2975385, 3967180, 4165539, 5554052, 5950770, 6942565, 8331078, 11901540, 13885130, 16662156, 20827695, 27770260, 41655390, 83310780]

約数ペア:

[(1, 83310780), (2, 41655390), (3, 27770260), (4, 20827695), (5, 16662156), (6, 13885130), (7, 11901540), (10, 8331078), (12, 6942565), (14, 5950770), (15, 5554052), (20, 4165539), (21, 3967180), (28, 2975385), (30, 2777026), (35, 2380308), (42, 1983590), (43, 1937460), (49, 1700220), (60, 1388513), (70, 1190154), (84, 991795), (86, 968730), (98, 850110), (105, 793436), (129, 645820), (140, 595077), (147, 566740), (172, 484365), (196, 425055), (210, 396718), (215, 387492), (245, 340044), (258, 322910), (294, 283370), (301, 276780), (420, 198359), (430, 193746), (490, 170022), (516, 161455), (588, 141685), (602, 138390), (645, 129164), (659, 126420), (735, 113348), (860, 96873), (903, 92260), (980, 85011), (1204, 69195), (1290, 64582), (1318, 63210), (1470, 56674), (1505, 55356), (1806, 46130), (1977, 42140), (2107, 39540), (2580, 32291), (2636, 31605), (2940, 28337), (3010, 27678), (3295, 25284), (3612, 23065), (3954, 21070), (4214, 19770), (4515, 18452), (4613, 18060), (6020, 13839), (6321, 13180), (6590, 12642), (7908, 10535), (8428, 9885), (9030, 9226)]