81538128

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{3517}}^1$

素因数の和:3561

約数の個数: 120

約数和(自身を含む): 272208768

約数和(自身を除く): 190670640

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 23, 24, 28, 36, 42, 46, 48, 56, 63, 69, 72, 84, 92, 112, 126, 138, 144, 161, 168, 184, 207, 252, 276, 322, 336, 368, 414, 483, 504, 552, 644, 828, 966, 1008, 1104, 1288, 1449, 1656, 1932, 2576, 2898, 3312, 3517, 3864, 5796, 7034, 7728, 10551, 11592, 14068, 21102, 23184, 24619, 28136, 31653, 42204, 49238, 56272, 63306, 73857, 80891, 84408, 98476, 126612, 147714, 161782, 168816, 196952, 221571, 242673, 253224, 295428, 323564, 393904, 443142, 485346, 506448, 566237, 590856, 647128, 728019, 886284, 970692, 1132474, 1181712, 1294256, 1456038, 1698711, 1772568, 1941384, 2264948, 2912076, 3397422, 3545136, 3882768, 4529896, 5096133, 5824152, 6794844, 9059792, 10192266, 11648304, 13589688, 20384532, 27179376, 40769064, 81538128]

約数ペア:

[(1, 81538128), (2, 40769064), (3, 27179376), (4, 20384532), (6, 13589688), (7, 11648304), (8, 10192266), (9, 9059792), (12, 6794844), (14, 5824152), (16, 5096133), (18, 4529896), (21, 3882768), (23, 3545136), (24, 3397422), (28, 2912076), (36, 2264948), (42, 1941384), (46, 1772568), (48, 1698711), (56, 1456038), (63, 1294256), (69, 1181712), (72, 1132474), (84, 970692), (92, 886284), (112, 728019), (126, 647128), (138, 590856), (144, 566237), (161, 506448), (168, 485346), (184, 443142), (207, 393904), (252, 323564), (276, 295428), (322, 253224), (336, 242673), (368, 221571), (414, 196952), (483, 168816), (504, 161782), (552, 147714), (644, 126612), (828, 98476), (966, 84408), (1008, 80891), (1104, 73857), (1288, 63306), (1449, 56272), (1656, 49238), (1932, 42204), (2576, 31653), (2898, 28136), (3312, 24619), (3517, 23184), (3864, 21102), (5796, 14068), (7034, 11592), (7728, 10551)]