81872532

素因数分解:

$2^2\times 3^7\times 7^2\times {\mathrm{191}}^1$

素因数の和:230

約数の個数: 144

約数和(自身を含む): 251274240

約数和(自身を除く): 169401708

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 49, 54, 63, 81, 84, 98, 108, 126, 147, 162, 189, 191, 196, 243, 252, 294, 324, 378, 382, 441, 486, 567, 573, 588, 729, 756, 764, 882, 972, 1134, 1146, 1323, 1337, 1458, 1701, 1719, 1764, 2187, 2268, 2292, 2646, 2674, 2916, 3402, 3438, 3969, 4011, 4374, 5103, 5157, 5292, 5348, 6804, 6876, 7938, 8022, 8748, 9359, 10206, 10314, 11907, 12033, 15309, 15471, 15876, 16044, 18718, 20412, 20628, 23814, 24066, 28077, 30618, 30942, 35721, 36099, 37436, 46413, 47628, 48132, 56154, 61236, 61884, 71442, 72198, 84231, 92826, 107163, 108297, 112308, 139239, 142884, 144396, 168462, 185652, 214326, 216594, 252693, 278478, 324891, 336924, 417717, 428652, 433188, 505386, 556956, 649782, 758079, 835434, 974673, 1010772, 1299564, 1516158, 1670868, 1949346, 2274237, 2924019, 3032316, 3898692, 4548474, 5848038, 6822711, 9096948, 11696076, 13645422, 20468133, 27290844, 40936266, 81872532]

約数ペア:

[(1, 81872532), (2, 40936266), (3, 27290844), (4, 20468133), (6, 13645422), (7, 11696076), (9, 9096948), (12, 6822711), (14, 5848038), (18, 4548474), (21, 3898692), (27, 3032316), (28, 2924019), (36, 2274237), (42, 1949346), (49, 1670868), (54, 1516158), (63, 1299564), (81, 1010772), (84, 974673), (98, 835434), (108, 758079), (126, 649782), (147, 556956), (162, 505386), (189, 433188), (191, 428652), (196, 417717), (243, 336924), (252, 324891), (294, 278478), (324, 252693), (378, 216594), (382, 214326), (441, 185652), (486, 168462), (567, 144396), (573, 142884), (588, 139239), (729, 112308), (756, 108297), (764, 107163), (882, 92826), (972, 84231), (1134, 72198), (1146, 71442), (1323, 61884), (1337, 61236), (1458, 56154), (1701, 48132), (1719, 47628), (1764, 46413), (2187, 37436), (2268, 36099), (2292, 35721), (2646, 30942), (2674, 30618), (2916, 28077), (3402, 24066), (3438, 23814), (3969, 20628), (4011, 20412), (4374, 18718), (5103, 16044), (5157, 15876), (5292, 15471), (5348, 15309), (6804, 12033), (6876, 11907), (7938, 10314), (8022, 10206), (8748, 9359)]