81559368

素因数分解:

$2^3\times 3^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1$

素因数の和:172

約数の個数: 192

約数和(自身を含む): 257774400

約数和(自身を除く): 176215032

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 29, 33, 36, 44, 53, 58, 66, 67, 72, 87, 88, 99, 106, 116, 132, 134, 159, 174, 198, 201, 212, 232, 261, 264, 268, 318, 319, 348, 396, 402, 424, 477, 522, 536, 583, 603, 636, 638, 696, 737, 792, 804, 954, 957, 1044, 1166, 1206, 1272, 1276, 1474, 1537, 1608, 1749, 1908, 1914, 1943, 2088, 2211, 2332, 2412, 2552, 2871, 2948, 3074, 3498, 3551, 3816, 3828, 3886, 4422, 4611, 4664, 4824, 5247, 5742, 5829, 5896, 6148, 6633, 6996, 7102, 7656, 7772, 8844, 9222, 10494, 10653, 11484, 11658, 12296, 13266, 13833, 13992, 14204, 15544, 16907, 17487, 17688, 18444, 20988, 21306, 21373, 22968, 23316, 26532, 27666, 28408, 31959, 33814, 34974, 36888, 39061, 41976, 42612, 42746, 46632, 50721, 53064, 55332, 63918, 64119, 67628, 69948, 78122, 85224, 85492, 101442, 102979, 110664, 117183, 127836, 128238, 135256, 139896, 152163, 156244, 170984, 192357, 202884, 205958, 234366, 255672, 256476, 304326, 308937, 312488, 351549, 384714, 405768, 411916, 468732, 512952, 608652, 617874, 703098, 769428, 823832, 926811, 937464, 1132769, 1217304, 1235748, 1406196, 1538856, 1853622, 2265538, 2471496, 2812392, 3398307, 3707244, 4531076, 6796614, 7414488, 9062152, 10194921, 13593228, 20389842, 27186456, 40779684, 81559368]

約数ペア:

[(1, 81559368), (2, 40779684), (3, 27186456), (4, 20389842), (6, 13593228), (8, 10194921), (9, 9062152), (11, 7414488), (12, 6796614), (18, 4531076), (22, 3707244), (24, 3398307), (29, 2812392), (33, 2471496), (36, 2265538), (44, 1853622), (53, 1538856), (58, 1406196), (66, 1235748), (67, 1217304), (72, 1132769), (87, 937464), (88, 926811), (99, 823832), (106, 769428), (116, 703098), (132, 617874), (134, 608652), (159, 512952), (174, 468732), (198, 411916), (201, 405768), (212, 384714), (232, 351549), (261, 312488), (264, 308937), (268, 304326), (318, 256476), (319, 255672), (348, 234366), (396, 205958), (402, 202884), (424, 192357), (477, 170984), (522, 156244), (536, 152163), (583, 139896), (603, 135256), (636, 128238), (638, 127836), (696, 117183), (737, 110664), (792, 102979), (804, 101442), (954, 85492), (957, 85224), (1044, 78122), (1166, 69948), (1206, 67628), (1272, 64119), (1276, 63918), (1474, 55332), (1537, 53064), (1608, 50721), (1749, 46632), (1908, 42746), (1914, 42612), (1943, 41976), (2088, 39061), (2211, 36888), (2332, 34974), (2412, 33814), (2552, 31959), (2871, 28408), (2948, 27666), (3074, 26532), (3498, 23316), (3551, 22968), (3816, 21373), (3828, 21306), (3886, 20988), (4422, 18444), (4611, 17688), (4664, 17487), (4824, 16907), (5247, 15544), (5742, 14204), (5829, 13992), (5896, 13833), (6148, 13266), (6633, 12296), (6996, 11658), (7102, 11484), (7656, 10653), (7772, 10494), (8844, 9222)]