81898776

素因数分解:

$2^3\times 3^7\times {\mathrm{31}}^1\times {\mathrm{151}}^1$

素因数の和:209

約数の個数: 128

約数和(自身を含む): 239308800

約数和(自身を除く): 157410024

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 31, 36, 54, 62, 72, 81, 93, 108, 124, 151, 162, 186, 216, 243, 248, 279, 302, 324, 372, 453, 486, 558, 604, 648, 729, 744, 837, 906, 972, 1116, 1208, 1359, 1458, 1674, 1812, 1944, 2187, 2232, 2511, 2718, 2916, 3348, 3624, 4077, 4374, 4681, 5022, 5436, 5832, 6696, 7533, 8154, 8748, 9362, 10044, 10872, 12231, 14043, 15066, 16308, 17496, 18724, 20088, 22599, 24462, 28086, 30132, 32616, 36693, 37448, 42129, 45198, 48924, 56172, 60264, 67797, 73386, 84258, 90396, 97848, 110079, 112344, 126387, 135594, 146772, 168516, 180792, 220158, 252774, 271188, 293544, 330237, 337032, 379161, 440316, 505548, 542376, 660474, 758322, 880632, 1011096, 1137483, 1320948, 1516644, 2274966, 2641896, 3033288, 3412449, 4549932, 6824898, 9099864, 10237347, 13649796, 20474694, 27299592, 40949388, 81898776]

約数ペア:

[(1, 81898776), (2, 40949388), (3, 27299592), (4, 20474694), (6, 13649796), (8, 10237347), (9, 9099864), (12, 6824898), (18, 4549932), (24, 3412449), (27, 3033288), (31, 2641896), (36, 2274966), (54, 1516644), (62, 1320948), (72, 1137483), (81, 1011096), (93, 880632), (108, 758322), (124, 660474), (151, 542376), (162, 505548), (186, 440316), (216, 379161), (243, 337032), (248, 330237), (279, 293544), (302, 271188), (324, 252774), (372, 220158), (453, 180792), (486, 168516), (558, 146772), (604, 135594), (648, 126387), (729, 112344), (744, 110079), (837, 97848), (906, 90396), (972, 84258), (1116, 73386), (1208, 67797), (1359, 60264), (1458, 56172), (1674, 48924), (1812, 45198), (1944, 42129), (2187, 37448), (2232, 36693), (2511, 32616), (2718, 30132), (2916, 28086), (3348, 24462), (3624, 22599), (4077, 20088), (4374, 18724), (4681, 17496), (5022, 16308), (5436, 15066), (5832, 14043), (6696, 12231), (7533, 10872), (8154, 10044), (8748, 9362)]