81570155.000000000

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{271}}^1$

素因数の和:324

約数の個数: 288

約数和(自身を含む): 449100288

約数和(自身を除く): 328360032

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 16, 17, 18, 21, 24, 26, 28, 32, 34, 36, 39, 42, 48, 51, 52, 56, 63, 68, 72, 78, 84, 91, 96, 102, 104, 112, 117, 119, 126, 136, 144, 153, 156, 168, 182, 204, 208, 221, 224, 234, 238, 252, 271, 272, 273, 288, 306, 312, 336, 357, 364, 408, 416, 442, 468, 476, 504, 542, 544, 546, 612, 624, 663, 672, 714, 728, 813, 816, 819, 884, 936, 952, 1008, 1071, 1084, 1092, 1224, 1248, 1326, 1428, 1456, 1547, 1626, 1632, 1638, 1768, 1872, 1897, 1904, 1989, 2016, 2142, 2168, 2184, 2439, 2448, 2652, 2856, 2912, 3094, 3252, 3276, 3523, 3536, 3744, 3794, 3808, 3978, 4284, 4336, 4368, 4607, 4641, 4878, 4896, 5304, 5691, 5712, 6188, 6504, 6552, 7046, 7072, 7588, 7956, 8568, 8672, 8736, 9214, 9282, 9756, 10569, 10608, 11382, 11424, 12376, 13008, 13104, 13821, 13923, 14092, 15176, 15912, 17073, 17136, 18428, 18564, 19512, 21138, 21216, 22764, 24661, 24752, 26016, 26208, 27642, 27846, 28184, 30352, 31707, 31824, 32249, 34146, 34272, 36856, 37128, 39024, 41463, 42276, 45528, 49322, 49504, 55284, 55692, 56368, 59891, 60704, 63414, 63648, 64498, 68292, 73712, 73983, 74256, 78048, 82926, 84552, 91056, 96747, 98644, 110568, 111384, 112736, 119782, 126828, 128996, 136584, 147424, 147966, 148512, 165852, 169104, 179673, 182112, 193494, 197288, 221136, 221949, 222768, 239564, 253656, 257992, 273168, 290241, 295932, 331704, 338208, 359346, 386988, 394576, 419237, 442272, 443898, 445536, 479128, 507312, 515984, 539019, 546336, 580482, 591864, 663408, 718692, 773976, 789152, 838474, 887796, 958256, 1014624, 1031968, 1078038, 1160964, 1183728, 1257711, 1326816, 1437384, 1547952, 1676948, 1775592, 1916512, 2156076, 2321928, 2367456, 2515422, 2874768, 3095904, 3353896, 3551184, 3773133, 4312152, 4643856, 5030844, 5749536, 6707792, 7102368, 7546266, 8624304, 9287712, 10061688, 13415584, 15092532, 17248608, 20123376, 30185064, 40246752, 60370128, 120740256]

約数ペア:

[(1, 120740256), (2, 60370128), (3, 40246752), (4, 30185064), (6, 20123376), (7, 17248608), (8, 15092532), (9, 13415584), (12, 10061688), (13, 9287712), (14, 8624304), (16, 7546266), (17, 7102368), (18, 6707792), (21, 5749536), (24, 5030844), (26, 4643856), (28, 4312152), (32, 3773133), (34, 3551184), (36, 3353896), (39, 3095904), (42, 2874768), (48, 2515422), (51, 2367456), (52, 2321928), (56, 2156076), (63, 1916512), (68, 1775592), (72, 1676948), (78, 1547952), (84, 1437384), (91, 1326816), (96, 1257711), (102, 1183728), (104, 1160964), (112, 1078038), (117, 1031968), (119, 1014624), (126, 958256), (136, 887796), (144, 838474), (153, 789152), (156, 773976), (168, 718692), (182, 663408), (204, 591864), (208, 580482), (221, 546336), (224, 539019), (234, 515984), (238, 507312), (252, 479128), (271, 445536), (272, 443898), (273, 442272), (288, 419237), (306, 394576), (312, 386988), (336, 359346), (357, 338208), (364, 331704), (408, 295932), (416, 290241), (442, 273168), (468, 257992), (476, 253656), (504, 239564), (542, 222768), (544, 221949), (546, 221136), (612, 197288), (624, 193494), (663, 182112), (672, 179673), (714, 169104), (728, 165852), (813, 148512), (816, 147966), (819, 147424), (884, 136584), (936, 128996), (952, 126828), (1008, 119782), (1071, 112736), (1084, 111384), (1092, 110568), (1224, 98644), (1248, 96747), (1326, 91056), (1428, 84552), (1456, 82926), (1547, 78048), (1626, 74256), (1632, 73983), (1638, 73712), (1768, 68292), (1872, 64498), (1897, 63648), (1904, 63414), (1989, 60704), (2016, 59891), (2142, 56368), (2168, 55692), (2184, 55284), (2439, 49504), (2448, 49322), (2652, 45528), (2856, 42276), (2912, 41463), (3094, 39024), (3252, 37128), (3276, 36856), (3523, 34272), (3536, 34146), (3744, 32249), (3794, 31824), (3808, 31707), (3978, 30352), (4284, 28184), (4336, 27846), (4368, 27642), (4607, 26208), (4641, 26016), (4878, 24752), (4896, 24661), (5304, 22764), (5691, 21216), (5712, 21138), (6188, 19512), (6504, 18564), (6552, 18428), (7046, 17136), (7072, 17073), (7588, 15912), (7956, 15176), (8568, 14092), (8672, 13923), (8736, 13821), (9214, 13104), (9282, 13008), (9756, 12376), (10569, 11424), (10608, 11382)]