1640451204

素因数分解:

$2^2\times 3^7\times 7^2\times {\mathrm{43}}^1\times {\mathrm{89}}^1$

素因数の和:171

約数の個数: 288

約数和(自身を含む): 5182531200

約数和(自身を除く): 3542079996

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 43, 49, 54, 63, 81, 84, 86, 89, 98, 108, 126, 129, 147, 162, 172, 178, 189, 196, 243, 252, 258, 267, 294, 301, 324, 356, 378, 387, 441, 486, 516, 534, 567, 588, 602, 623, 729, 756, 774, 801, 882, 903, 972, 1068, 1134, 1161, 1204, 1246, 1323, 1458, 1548, 1602, 1701, 1764, 1806, 1869, 2107, 2187, 2268, 2322, 2403, 2492, 2646, 2709, 2916, 3204, 3402, 3483, 3612, 3738, 3827, 3969, 4214, 4361, 4374, 4644, 4806, 5103, 5292, 5418, 5607, 6321, 6804, 6966, 7209, 7476, 7654, 7938, 8127, 8428, 8722, 8748, 9612, 10206, 10449, 10836, 11214, 11481, 11907, 12642, 13083, 13932, 14418, 15308, 15309, 15876, 16254, 16821, 17444, 18963, 20412, 20898, 21627, 22428, 22962, 23814, 24381, 25284, 26166, 26789, 28836, 30618, 31347, 32508, 33642, 34443, 35721, 37926, 39249, 41796, 43254, 45924, 47628, 48762, 50463, 52332, 53578, 56889, 61236, 62694, 64881, 67284, 68886, 71442, 73143, 75852, 78498, 80367, 86508, 94041, 97524, 100926, 103329, 107156, 107163, 113778, 117747, 125388, 129762, 137772, 142884, 146286, 151389, 156996, 160734, 170667, 187523, 188082, 194643, 201852, 206658, 214326, 219429, 227556, 235494, 241101, 259524, 292572, 302778, 309987, 321468, 341334, 353241, 375046, 376164, 389286, 413316, 428652, 438858, 454167, 470988, 482202, 512001, 562569, 605556, 619974, 658287, 682668, 706482, 723303, 750092, 778572, 877716, 908334, 929961, 964404, 1024002, 1059723, 1125138, 1239948, 1316574, 1362501, 1412964, 1446606, 1536003, 1687707, 1816668, 1859922, 2048004, 2119446, 2169909, 2250276, 2633148, 2725002, 2789883, 2893212, 3072006, 3179169, 3375414, 3719844, 4238892, 4339818, 4608009, 5063121, 5450004, 5579766, 6144012, 6358338, 6509727, 6750828, 8369649, 8679636, 9216018, 9537507, 10126242, 11159532, 12716676, 13019454, 15189363, 16739298, 18432036, 19075014, 19529181, 20252484, 26038908, 30378726, 33478596, 38150028, 39058362, 45568089, 58587543, 60757452, 78116724, 91136178, 117175086, 136704267, 182272356, 234350172, 273408534, 410112801, 546817068, 820225602, 1640451204]

約数ペア:

[(1, 1640451204), (2, 820225602), (3, 546817068), (4, 410112801), (6, 273408534), (7, 234350172), (9, 182272356), (12, 136704267), (14, 117175086), (18, 91136178), (21, 78116724), (27, 60757452), (28, 58587543), (36, 45568089), (42, 39058362), (43, 38150028), (49, 33478596), (54, 30378726), (63, 26038908), (81, 20252484), (84, 19529181), (86, 19075014), (89, 18432036), (98, 16739298), (108, 15189363), (126, 13019454), (129, 12716676), (147, 11159532), (162, 10126242), (172, 9537507), (178, 9216018), (189, 8679636), (196, 8369649), (243, 6750828), (252, 6509727), (258, 6358338), (267, 6144012), (294, 5579766), (301, 5450004), (324, 5063121), (356, 4608009), (378, 4339818), (387, 4238892), (441, 3719844), (486, 3375414), (516, 3179169), (534, 3072006), (567, 2893212), (588, 2789883), (602, 2725002), (623, 2633148), (729, 2250276), (756, 2169909), (774, 2119446), (801, 2048004), (882, 1859922), (903, 1816668), (972, 1687707), (1068, 1536003), (1134, 1446606), (1161, 1412964), (1204, 1362501), (1246, 1316574), (1323, 1239948), (1458, 1125138), (1548, 1059723), (1602, 1024002), (1701, 964404), (1764, 929961), (1806, 908334), (1869, 877716), (2107, 778572), (2187, 750092), (2268, 723303), (2322, 706482), (2403, 682668), (2492, 658287), (2646, 619974), (2709, 605556), (2916, 562569), (3204, 512001), (3402, 482202), (3483, 470988), (3612, 454167), (3738, 438858), (3827, 428652), (3969, 413316), (4214, 389286), (4361, 376164), (4374, 375046), (4644, 353241), (4806, 341334), (5103, 321468), (5292, 309987), (5418, 302778), (5607, 292572), (6321, 259524), (6804, 241101), (6966, 235494), (7209, 227556), (7476, 219429), (7654, 214326), (7938, 206658), (8127, 201852), (8428, 194643), (8722, 188082), (8748, 187523), (9612, 170667), (10206, 160734), (10449, 156996), (10836, 151389), (11214, 146286), (11481, 142884), (11907, 137772), (12642, 129762), (13083, 125388), (13932, 117747), (14418, 113778), (15308, 107163), (15309, 107156), (15876, 103329), (16254, 100926), (16821, 97524), (17444, 94041), (18963, 86508), (20412, 80367), (20898, 78498), (21627, 75852), (22428, 73143), (22962, 71442), (23814, 68886), (24381, 67284), (25284, 64881), (26166, 62694), (26789, 61236), (28836, 56889), (30618, 53578), (31347, 52332), (32508, 50463), (33642, 48762), (34443, 47628), (35721, 45924), (37926, 43254), (39249, 41796)]