81007472

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1$

素因数の和:151

約数の個数: 160

約数和(自身を含む): 209986560

約数和(自身を除く): 128979088

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 23, 26, 28, 41, 46, 52, 56, 59, 82, 91, 92, 104, 112, 118, 161, 164, 182, 184, 208, 236, 287, 299, 322, 328, 364, 368, 413, 472, 533, 574, 598, 644, 656, 728, 767, 826, 943, 944, 1066, 1148, 1196, 1288, 1357, 1456, 1534, 1652, 1886, 2093, 2132, 2296, 2392, 2419, 2576, 2714, 3068, 3304, 3731, 3772, 4186, 4264, 4592, 4784, 4838, 5369, 5428, 6136, 6601, 6608, 7462, 7544, 8372, 8528, 9499, 9676, 10738, 10856, 12259, 12272, 13202, 14924, 15088, 16744, 16933, 17641, 18998, 19352, 21476, 21712, 24518, 26404, 29848, 31447, 33488, 33866, 35282, 37996, 38704, 42952, 49036, 52808, 55637, 59696, 62894, 67732, 70564, 75992, 85813, 85904, 98072, 105616, 111274, 123487, 125788, 135464, 141128, 151984, 171626, 196144, 220129, 222548, 246974, 251576, 270928, 282256, 343252, 389459, 440258, 445096, 493948, 503152, 686504, 723281, 778918, 880516, 890192, 987896, 1373008, 1446562, 1557836, 1761032, 1975792, 2893124, 3115672, 3522064, 5062967, 5786248, 6231344, 10125934, 11572496, 20251868, 40503736, 81007472]

約数ペア:

[(1, 81007472), (2, 40503736), (4, 20251868), (7, 11572496), (8, 10125934), (13, 6231344), (14, 5786248), (16, 5062967), (23, 3522064), (26, 3115672), (28, 2893124), (41, 1975792), (46, 1761032), (52, 1557836), (56, 1446562), (59, 1373008), (82, 987896), (91, 890192), (92, 880516), (104, 778918), (112, 723281), (118, 686504), (161, 503152), (164, 493948), (182, 445096), (184, 440258), (208, 389459), (236, 343252), (287, 282256), (299, 270928), (322, 251576), (328, 246974), (364, 222548), (368, 220129), (413, 196144), (472, 171626), (533, 151984), (574, 141128), (598, 135464), (644, 125788), (656, 123487), (728, 111274), (767, 105616), (826, 98072), (943, 85904), (944, 85813), (1066, 75992), (1148, 70564), (1196, 67732), (1288, 62894), (1357, 59696), (1456, 55637), (1534, 52808), (1652, 49036), (1886, 42952), (2093, 38704), (2132, 37996), (2296, 35282), (2392, 33866), (2419, 33488), (2576, 31447), (2714, 29848), (3068, 26404), (3304, 24518), (3731, 21712), (3772, 21476), (4186, 19352), (4264, 18998), (4592, 17641), (4784, 16933), (4838, 16744), (5369, 15088), (5428, 14924), (6136, 13202), (6601, 12272), (6608, 12259), (7462, 10856), (7544, 10738), (8372, 9676), (8528, 9499)]