681335928

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2039}}^1$

素因数の和:2091

約数の個数: 256

約数和(自身を含む): 2467584000

約数和(自身を除く): 1786248072

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 17, 18, 21, 24, 26, 27, 28, 34, 36, 39, 42, 51, 52, 54, 56, 63, 68, 72, 78, 84, 91, 102, 104, 108, 117, 119, 126, 136, 153, 156, 168, 182, 189, 204, 216, 221, 234, 238, 252, 273, 306, 312, 351, 357, 364, 378, 408, 442, 459, 468, 476, 504, 546, 612, 663, 702, 714, 728, 756, 819, 884, 918, 936, 952, 1071, 1092, 1224, 1326, 1404, 1428, 1512, 1547, 1638, 1768, 1836, 1989, 2039, 2142, 2184, 2457, 2652, 2808, 2856, 3094, 3213, 3276, 3672, 3978, 4078, 4284, 4641, 4914, 5304, 5967, 6117, 6188, 6426, 6552, 7956, 8156, 8568, 9282, 9828, 11934, 12234, 12376, 12852, 13923, 14273, 15912, 16312, 18351, 18564, 19656, 23868, 24468, 25704, 26507, 27846, 28546, 34663, 36702, 37128, 41769, 42819, 47736, 48936, 53014, 55053, 55692, 57092, 69326, 73404, 79521, 83538, 85638, 103989, 106028, 110106, 111384, 114184, 128457, 138652, 146808, 159042, 167076, 171276, 185549, 207978, 212056, 220212, 238563, 242641, 256914, 277304, 311967, 318084, 334152, 342552, 371098, 385371, 415956, 440424, 450619, 477126, 485282, 513828, 556647, 623934, 636168, 715689, 727923, 742196, 770742, 831912, 901238, 935901, 954252, 970564, 1027656, 1113294, 1247868, 1351857, 1431378, 1455846, 1484392, 1541484, 1669941, 1802476, 1871802, 1908504, 1941128, 2183769, 2226588, 2495736, 2703714, 2862756, 2911692, 3082968, 3154333, 3339882, 3604952, 3743604, 4055571, 4367538, 4453176, 5009823, 5407428, 5725512, 5823384, 6308666, 6551307, 6679764, 7487208, 8111142, 8735076, 9462999, 10019646, 10814856, 12166713, 12617332, 13102614, 13359528, 16222284, 17470152, 18925998, 20039292, 24333426, 25234664, 26205228, 28388997, 32444568, 37851996, 40078584, 48666852, 52410456, 56777994, 75703992, 85166991, 97333704, 113555988, 170333982, 227111976, 340667964, 681335928]

約数ペア:

[(1, 681335928), (2, 340667964), (3, 227111976), (4, 170333982), (6, 113555988), (7, 97333704), (8, 85166991), (9, 75703992), (12, 56777994), (13, 52410456), (14, 48666852), (17, 40078584), (18, 37851996), (21, 32444568), (24, 28388997), (26, 26205228), (27, 25234664), (28, 24333426), (34, 20039292), (36, 18925998), (39, 17470152), (42, 16222284), (51, 13359528), (52, 13102614), (54, 12617332), (56, 12166713), (63, 10814856), (68, 10019646), (72, 9462999), (78, 8735076), (84, 8111142), (91, 7487208), (102, 6679764), (104, 6551307), (108, 6308666), (117, 5823384), (119, 5725512), (126, 5407428), (136, 5009823), (153, 4453176), (156, 4367538), (168, 4055571), (182, 3743604), (189, 3604952), (204, 3339882), (216, 3154333), (221, 3082968), (234, 2911692), (238, 2862756), (252, 2703714), (273, 2495736), (306, 2226588), (312, 2183769), (351, 1941128), (357, 1908504), (364, 1871802), (378, 1802476), (408, 1669941), (442, 1541484), (459, 1484392), (468, 1455846), (476, 1431378), (504, 1351857), (546, 1247868), (612, 1113294), (663, 1027656), (702, 970564), (714, 954252), (728, 935901), (756, 901238), (819, 831912), (884, 770742), (918, 742196), (936, 727923), (952, 715689), (1071, 636168), (1092, 623934), (1224, 556647), (1326, 513828), (1404, 485282), (1428, 477126), (1512, 450619), (1547, 440424), (1638, 415956), (1768, 385371), (1836, 371098), (1989, 342552), (2039, 334152), (2142, 318084), (2184, 311967), (2457, 277304), (2652, 256914), (2808, 242641), (2856, 238563), (3094, 220212), (3213, 212056), (3276, 207978), (3672, 185549), (3978, 171276), (4078, 167076), (4284, 159042), (4641, 146808), (4914, 138652), (5304, 128457), (5967, 114184), (6117, 111384), (6188, 110106), (6426, 106028), (6552, 103989), (7956, 85638), (8156, 83538), (8568, 79521), (9282, 73404), (9828, 69326), (11934, 57092), (12234, 55692), (12376, 55053), (12852, 53014), (13923, 48936), (14273, 47736), (15912, 42819), (16312, 41769), (18351, 37128), (18564, 36702), (19656, 34663), (23868, 28546), (24468, 27846), (25704, 26507)]