81945864

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{379}}^1$

素因数の和:425

約数の個数: 256

約数和(自身を含む): 306432000

約数和(自身を除く): 224486136

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 13, 14, 18, 21, 22, 24, 26, 27, 28, 33, 36, 39, 42, 44, 52, 54, 56, 63, 66, 72, 77, 78, 84, 88, 91, 99, 104, 108, 117, 126, 132, 143, 154, 156, 168, 182, 189, 198, 216, 231, 234, 252, 264, 273, 286, 297, 308, 312, 351, 364, 378, 379, 396, 429, 462, 468, 504, 546, 572, 594, 616, 693, 702, 728, 756, 758, 792, 819, 858, 924, 936, 1001, 1092, 1137, 1144, 1188, 1287, 1386, 1404, 1512, 1516, 1638, 1716, 1848, 2002, 2079, 2184, 2274, 2376, 2457, 2574, 2653, 2772, 2808, 3003, 3032, 3276, 3411, 3432, 3861, 4004, 4158, 4169, 4548, 4914, 4927, 5148, 5306, 5544, 6006, 6552, 6822, 7722, 7959, 8008, 8316, 8338, 9009, 9096, 9828, 9854, 10233, 10296, 10612, 12012, 12507, 13644, 14781, 15444, 15918, 16632, 16676, 18018, 19656, 19708, 20466, 21224, 23877, 24024, 25014, 27027, 27288, 29183, 29562, 30888, 31836, 33352, 34489, 36036, 37521, 39416, 40932, 44343, 47754, 50028, 54054, 54197, 58366, 59124, 63672, 68978, 71631, 72072, 75042, 81864, 87549, 88686, 95508, 100056, 103467, 108108, 108394, 112563, 116732, 118248, 133029, 137956, 143262, 150084, 162591, 175098, 177372, 191016, 206934, 216216, 216788, 225126, 233464, 262647, 266058, 275912, 286524, 300168, 310401, 325182, 350196, 354744, 379379, 413868, 433576, 450252, 487773, 525294, 532116, 573048, 620802, 650364, 700392, 758758, 787941, 827736, 900504, 931203, 975546, 1050588, 1064232, 1138137, 1241604, 1300728, 1463319, 1517516, 1575882, 1862406, 1951092, 2101176, 2276274, 2483208, 2926638, 3035032, 3151764, 3414411, 3724812, 3902184, 4552548, 5853276, 6303528, 6828822, 7449624, 9105096, 10243233, 11706552, 13657644, 20486466, 27315288, 40972932, 81945864]

約数ペア:

[(1, 81945864), (2, 40972932), (3, 27315288), (4, 20486466), (6, 13657644), (7, 11706552), (8, 10243233), (9, 9105096), (11, 7449624), (12, 6828822), (13, 6303528), (14, 5853276), (18, 4552548), (21, 3902184), (22, 3724812), (24, 3414411), (26, 3151764), (27, 3035032), (28, 2926638), (33, 2483208), (36, 2276274), (39, 2101176), (42, 1951092), (44, 1862406), (52, 1575882), (54, 1517516), (56, 1463319), (63, 1300728), (66, 1241604), (72, 1138137), (77, 1064232), (78, 1050588), (84, 975546), (88, 931203), (91, 900504), (99, 827736), (104, 787941), (108, 758758), (117, 700392), (126, 650364), (132, 620802), (143, 573048), (154, 532116), (156, 525294), (168, 487773), (182, 450252), (189, 433576), (198, 413868), (216, 379379), (231, 354744), (234, 350196), (252, 325182), (264, 310401), (273, 300168), (286, 286524), (297, 275912), (308, 266058), (312, 262647), (351, 233464), (364, 225126), (378, 216788), (379, 216216), (396, 206934), (429, 191016), (462, 177372), (468, 175098), (504, 162591), (546, 150084), (572, 143262), (594, 137956), (616, 133029), (693, 118248), (702, 116732), (728, 112563), (756, 108394), (758, 108108), (792, 103467), (819, 100056), (858, 95508), (924, 88686), (936, 87549), (1001, 81864), (1092, 75042), (1137, 72072), (1144, 71631), (1188, 68978), (1287, 63672), (1386, 59124), (1404, 58366), (1512, 54197), (1516, 54054), (1638, 50028), (1716, 47754), (1848, 44343), (2002, 40932), (2079, 39416), (2184, 37521), (2274, 36036), (2376, 34489), (2457, 33352), (2574, 31836), (2653, 30888), (2772, 29562), (2808, 29183), (3003, 27288), (3032, 27027), (3276, 25014), (3411, 24024), (3432, 23877), (3861, 21224), (4004, 20466), (4158, 19708), (4169, 19656), (4548, 18018), (4914, 16676), (4927, 16632), (5148, 15918), (5306, 15444), (5544, 14781), (6006, 13644), (6552, 12507), (6822, 12012), (7722, 10612), (7959, 10296), (8008, 10233), (8316, 9854), (8338, 9828), (9009, 9096)]