81247572

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{239}}^1$

素因数の和:346

約数の個数: 144

約数和(自身を含む): 251596800

約数和(自身を除く): 170349228

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 28, 36, 38, 42, 57, 63, 71, 76, 84, 114, 126, 133, 142, 171, 213, 228, 239, 252, 266, 284, 342, 399, 426, 478, 497, 532, 639, 684, 717, 798, 852, 956, 994, 1197, 1278, 1349, 1434, 1491, 1596, 1673, 1988, 2151, 2394, 2556, 2698, 2868, 2982, 3346, 4047, 4302, 4473, 4541, 4788, 5019, 5396, 5964, 6692, 8094, 8604, 8946, 9082, 9443, 10038, 12141, 13623, 15057, 16188, 16969, 17892, 18164, 18886, 20076, 24282, 27246, 28329, 30114, 31787, 33938, 37772, 40869, 48564, 50907, 54492, 56658, 60228, 63574, 67876, 81738, 84987, 95361, 101814, 113316, 118783, 127148, 152721, 163476, 169974, 190722, 203628, 237566, 286083, 305442, 322411, 339948, 356349, 381444, 475132, 572166, 610884, 644822, 712698, 967233, 1069047, 1144332, 1289644, 1425396, 1934466, 2138094, 2256877, 2901699, 3868932, 4276188, 4513754, 5803398, 6770631, 9027508, 11606796, 13541262, 20311893, 27082524, 40623786, 81247572]

約数ペア:

[(1, 81247572), (2, 40623786), (3, 27082524), (4, 20311893), (6, 13541262), (7, 11606796), (9, 9027508), (12, 6770631), (14, 5803398), (18, 4513754), (19, 4276188), (21, 3868932), (28, 2901699), (36, 2256877), (38, 2138094), (42, 1934466), (57, 1425396), (63, 1289644), (71, 1144332), (76, 1069047), (84, 967233), (114, 712698), (126, 644822), (133, 610884), (142, 572166), (171, 475132), (213, 381444), (228, 356349), (239, 339948), (252, 322411), (266, 305442), (284, 286083), (342, 237566), (399, 203628), (426, 190722), (478, 169974), (497, 163476), (532, 152721), (639, 127148), (684, 118783), (717, 113316), (798, 101814), (852, 95361), (956, 84987), (994, 81738), (1197, 67876), (1278, 63574), (1349, 60228), (1434, 56658), (1491, 54492), (1596, 50907), (1673, 48564), (1988, 40869), (2151, 37772), (2394, 33938), (2556, 31787), (2698, 30114), (2868, 28329), (2982, 27246), (3346, 24282), (4047, 20076), (4302, 18886), (4473, 18164), (4541, 17892), (4788, 16969), (5019, 16188), (5396, 15057), (5964, 13623), (6692, 12141), (8094, 10038), (8604, 9443), (8946, 9082)]