81104940

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{1091}}^1$

素因数の和:1172

約数の個数: 144

約数和(自身を含む): 286191360

約数和(自身を除く): 205086420

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 59, 60, 63, 70, 84, 90, 105, 118, 126, 140, 177, 180, 210, 236, 252, 295, 315, 354, 413, 420, 531, 590, 630, 708, 826, 885, 1062, 1091, 1180, 1239, 1260, 1652, 1770, 2065, 2124, 2182, 2478, 2655, 3273, 3540, 3717, 4130, 4364, 4956, 5310, 5455, 6195, 6546, 7434, 7637, 8260, 9819, 10620, 10910, 12390, 13092, 14868, 15274, 16365, 18585, 19638, 21820, 22911, 24780, 30548, 32730, 37170, 38185, 39276, 45822, 49095, 64369, 65460, 68733, 74340, 76370, 91644, 98190, 114555, 128738, 137466, 152740, 193107, 196380, 229110, 257476, 274932, 321845, 343665, 386214, 450583, 458220, 579321, 643690, 687330, 772428, 901166, 965535, 1158642, 1287380, 1351749, 1374660, 1802332, 1931070, 2252915, 2317284, 2703498, 2896605, 3862140, 4055247, 4505830, 5406996, 5793210, 6758745, 8110494, 9011660, 11586420, 13517490, 16220988, 20276235, 27034980, 40552470, 81104940]

約数ペア:

[(1, 81104940), (2, 40552470), (3, 27034980), (4, 20276235), (5, 16220988), (6, 13517490), (7, 11586420), (9, 9011660), (10, 8110494), (12, 6758745), (14, 5793210), (15, 5406996), (18, 4505830), (20, 4055247), (21, 3862140), (28, 2896605), (30, 2703498), (35, 2317284), (36, 2252915), (42, 1931070), (45, 1802332), (59, 1374660), (60, 1351749), (63, 1287380), (70, 1158642), (84, 965535), (90, 901166), (105, 772428), (118, 687330), (126, 643690), (140, 579321), (177, 458220), (180, 450583), (210, 386214), (236, 343665), (252, 321845), (295, 274932), (315, 257476), (354, 229110), (413, 196380), (420, 193107), (531, 152740), (590, 137466), (630, 128738), (708, 114555), (826, 98190), (885, 91644), (1062, 76370), (1091, 74340), (1180, 68733), (1239, 65460), (1260, 64369), (1652, 49095), (1770, 45822), (2065, 39276), (2124, 38185), (2182, 37170), (2478, 32730), (2655, 30548), (3273, 24780), (3540, 22911), (3717, 21820), (4130, 19638), (4364, 18585), (4956, 16365), (5310, 15274), (5455, 14868), (6195, 13092), (6546, 12390), (7434, 10910), (7637, 10620), (8260, 9819)]