81185652

素因数分解:

$2^2\times 3^4\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{137}}^1$

素因数の和:243

約数の個数: 120

約数和(自身を含む): 224421120

約数和(自身を除く): 143235468

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 31, 36, 54, 59, 62, 81, 93, 108, 118, 124, 137, 162, 177, 186, 236, 274, 279, 324, 354, 372, 411, 531, 548, 558, 708, 822, 837, 1062, 1116, 1233, 1593, 1644, 1674, 1829, 2124, 2466, 2511, 3186, 3348, 3658, 3699, 4247, 4779, 4932, 5022, 5487, 6372, 7316, 7398, 8083, 8494, 9558, 10044, 10974, 11097, 12741, 14796, 16166, 16461, 16988, 19116, 21948, 22194, 24249, 25482, 32332, 32922, 38223, 44388, 48498, 49383, 50964, 65844, 72747, 76446, 96996, 98766, 114669, 145494, 148149, 152892, 197532, 218241, 229338, 250573, 290988, 296298, 344007, 436482, 458676, 501146, 592596, 654723, 688014, 751719, 872964, 1002292, 1309446, 1376028, 1503438, 2255157, 2618892, 3006876, 4510314, 6765471, 9020628, 13530942, 20296413, 27061884, 40592826, 81185652]

約数ペア:

[(1, 81185652), (2, 40592826), (3, 27061884), (4, 20296413), (6, 13530942), (9, 9020628), (12, 6765471), (18, 4510314), (27, 3006876), (31, 2618892), (36, 2255157), (54, 1503438), (59, 1376028), (62, 1309446), (81, 1002292), (93, 872964), (108, 751719), (118, 688014), (124, 654723), (137, 592596), (162, 501146), (177, 458676), (186, 436482), (236, 344007), (274, 296298), (279, 290988), (324, 250573), (354, 229338), (372, 218241), (411, 197532), (531, 152892), (548, 148149), (558, 145494), (708, 114669), (822, 98766), (837, 96996), (1062, 76446), (1116, 72747), (1233, 65844), (1593, 50964), (1644, 49383), (1674, 48498), (1829, 44388), (2124, 38223), (2466, 32922), (2511, 32332), (3186, 25482), (3348, 24249), (3658, 22194), (3699, 21948), (4247, 19116), (4779, 16988), (4932, 16461), (5022, 16166), (5487, 14796), (6372, 12741), (7316, 11097), (7398, 10974), (8083, 10044), (8494, 9558)]