81591180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{683}}^1$

素因数の和:887

約数の個数: 96

約数和(自身を含む): 250967808

約数和(自身を除く): 169376628

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 181, 220, 330, 362, 543, 660, 683, 724, 905, 1086, 1366, 1810, 1991, 2049, 2172, 2715, 2732, 3415, 3620, 3982, 4098, 5430, 5973, 6830, 7513, 7964, 8196, 9955, 10245, 10860, 11946, 13660, 15026, 19910, 20490, 22539, 23892, 29865, 30052, 37565, 39820, 40980, 45078, 59730, 75130, 90156, 112695, 119460, 123623, 150260, 225390, 247246, 370869, 450780, 494492, 618115, 741738, 1236230, 1359853, 1483476, 1854345, 2472460, 2719706, 3708690, 4079559, 5439412, 6799265, 7417380, 8159118, 13598530, 16318236, 20397795, 27197060, 40795590, 81591180]

約数ペア:

[(1, 81591180), (2, 40795590), (3, 27197060), (4, 20397795), (5, 16318236), (6, 13598530), (10, 8159118), (11, 7417380), (12, 6799265), (15, 5439412), (20, 4079559), (22, 3708690), (30, 2719706), (33, 2472460), (44, 1854345), (55, 1483476), (60, 1359853), (66, 1236230), (110, 741738), (132, 618115), (165, 494492), (181, 450780), (220, 370869), (330, 247246), (362, 225390), (543, 150260), (660, 123623), (683, 119460), (724, 112695), (905, 90156), (1086, 75130), (1366, 59730), (1810, 45078), (1991, 40980), (2049, 39820), (2172, 37565), (2715, 30052), (2732, 29865), (3415, 23892), (3620, 22539), (3982, 20490), (4098, 19910), (5430, 15026), (5973, 13660), (6830, 11946), (7513, 10860), (7964, 10245), (8196, 9955)]