81905124

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{73}}^1$

素因数の和:162

約数の個数: 144

約数和(自身を含む): 239987328

約数和(自身を除く): 158082204

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 37, 38, 42, 57, 73, 74, 76, 84, 111, 114, 133, 146, 148, 219, 222, 228, 259, 266, 292, 361, 399, 438, 444, 511, 518, 532, 703, 722, 777, 798, 876, 1022, 1036, 1083, 1387, 1406, 1444, 1533, 1554, 1596, 2044, 2109, 2166, 2527, 2701, 2774, 2812, 3066, 3108, 4161, 4218, 4332, 4921, 5054, 5402, 5548, 6132, 7581, 8103, 8322, 8436, 9709, 9842, 10108, 10804, 13357, 14763, 15162, 16206, 16644, 18907, 19418, 19684, 26353, 26714, 29127, 29526, 30324, 32412, 37814, 38836, 40071, 51319, 52706, 53428, 56721, 58254, 59052, 75628, 79059, 80142, 93499, 102638, 105412, 113442, 116508, 153957, 158118, 160284, 184471, 186998, 205276, 226884, 280497, 307914, 316236, 359233, 368942, 373996, 553413, 560994, 615828, 718466, 737884, 975061, 1077699, 1106826, 1121988, 1436932, 1950122, 2155398, 2213652, 2925183, 3900244, 4310796, 5850366, 6825427, 11700732, 13650854, 20476281, 27301708, 40952562, 81905124]

約数ペア:

[(1, 81905124), (2, 40952562), (3, 27301708), (4, 20476281), (6, 13650854), (7, 11700732), (12, 6825427), (14, 5850366), (19, 4310796), (21, 3900244), (28, 2925183), (37, 2213652), (38, 2155398), (42, 1950122), (57, 1436932), (73, 1121988), (74, 1106826), (76, 1077699), (84, 975061), (111, 737884), (114, 718466), (133, 615828), (146, 560994), (148, 553413), (219, 373996), (222, 368942), (228, 359233), (259, 316236), (266, 307914), (292, 280497), (361, 226884), (399, 205276), (438, 186998), (444, 184471), (511, 160284), (518, 158118), (532, 153957), (703, 116508), (722, 113442), (777, 105412), (798, 102638), (876, 93499), (1022, 80142), (1036, 79059), (1083, 75628), (1387, 59052), (1406, 58254), (1444, 56721), (1533, 53428), (1554, 52706), (1596, 51319), (2044, 40071), (2109, 38836), (2166, 37814), (2527, 32412), (2701, 30324), (2774, 29526), (2812, 29127), (3066, 26714), (3108, 26353), (4161, 19684), (4218, 19418), (4332, 18907), (4921, 16644), (5054, 16206), (5402, 15162), (5548, 14763), (6132, 13357), (7581, 10804), (8103, 10108), (8322, 9842), (8436, 9709)]