644513436

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1$

素因数の和:246

約数の個数: 240

約数和(自身を含む): 2029547520

約数和(自身を除く): 1385034084

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 31, 36, 42, 54, 62, 63, 81, 84, 89, 93, 103, 108, 124, 126, 162, 178, 186, 189, 206, 217, 252, 267, 279, 309, 324, 356, 372, 378, 412, 434, 534, 558, 567, 618, 623, 651, 721, 756, 801, 837, 868, 927, 1068, 1116, 1134, 1236, 1246, 1302, 1442, 1602, 1674, 1854, 1869, 1953, 2163, 2268, 2403, 2492, 2511, 2604, 2759, 2781, 2884, 3193, 3204, 3348, 3708, 3738, 3906, 4326, 4806, 5022, 5518, 5562, 5607, 5859, 6386, 6489, 7209, 7476, 7812, 8277, 8343, 8652, 9167, 9579, 9612, 10044, 11036, 11124, 11214, 11718, 12772, 12978, 14418, 16554, 16686, 16821, 17577, 18334, 19158, 19313, 19467, 22351, 22428, 23436, 24831, 25956, 27501, 28737, 28836, 33108, 33372, 33642, 35154, 36668, 38316, 38626, 38934, 44702, 49662, 50463, 55002, 57474, 57939, 58401, 64169, 67053, 67284, 70308, 74493, 77252, 77868, 82503, 86211, 89404, 99324, 100926, 110004, 114948, 115878, 116802, 128338, 134106, 148986, 165006, 172422, 173817, 192507, 201159, 201852, 223479, 231756, 233604, 247509, 256676, 258633, 268212, 284177, 297972, 330012, 344844, 347634, 385014, 402318, 446958, 495018, 517266, 521451, 568354, 577521, 603477, 695268, 742527, 770028, 804636, 852531, 893916, 990036, 1034532, 1042902, 1136708, 1155042, 1206954, 1485054, 1564353, 1705062, 1732563, 1810431, 1989239, 2085804, 2310084, 2413908, 2557593, 2970108, 3128706, 3410124, 3465126, 3620862, 3978478, 5115186, 5197689, 5967717, 6257412, 6930252, 7241724, 7672779, 7956956, 10230372, 10395378, 11935434, 15345558, 17903151, 20790756, 23018337, 23870868, 30691116, 35806302, 46036674, 53709453, 71612604, 92073348, 107418906, 161128359, 214837812, 322256718, 644513436]

約数ペア:

[(1, 644513436), (2, 322256718), (3, 214837812), (4, 161128359), (6, 107418906), (7, 92073348), (9, 71612604), (12, 53709453), (14, 46036674), (18, 35806302), (21, 30691116), (27, 23870868), (28, 23018337), (31, 20790756), (36, 17903151), (42, 15345558), (54, 11935434), (62, 10395378), (63, 10230372), (81, 7956956), (84, 7672779), (89, 7241724), (93, 6930252), (103, 6257412), (108, 5967717), (124, 5197689), (126, 5115186), (162, 3978478), (178, 3620862), (186, 3465126), (189, 3410124), (206, 3128706), (217, 2970108), (252, 2557593), (267, 2413908), (279, 2310084), (309, 2085804), (324, 1989239), (356, 1810431), (372, 1732563), (378, 1705062), (412, 1564353), (434, 1485054), (534, 1206954), (558, 1155042), (567, 1136708), (618, 1042902), (623, 1034532), (651, 990036), (721, 893916), (756, 852531), (801, 804636), (837, 770028), (868, 742527), (927, 695268), (1068, 603477), (1116, 577521), (1134, 568354), (1236, 521451), (1246, 517266), (1302, 495018), (1442, 446958), (1602, 402318), (1674, 385014), (1854, 347634), (1869, 344844), (1953, 330012), (2163, 297972), (2268, 284177), (2403, 268212), (2492, 258633), (2511, 256676), (2604, 247509), (2759, 233604), (2781, 231756), (2884, 223479), (3193, 201852), (3204, 201159), (3348, 192507), (3708, 173817), (3738, 172422), (3906, 165006), (4326, 148986), (4806, 134106), (5022, 128338), (5518, 116802), (5562, 115878), (5607, 114948), (5859, 110004), (6386, 100926), (6489, 99324), (7209, 89404), (7476, 86211), (7812, 82503), (8277, 77868), (8343, 77252), (8652, 74493), (9167, 70308), (9579, 67284), (9612, 67053), (10044, 64169), (11036, 58401), (11124, 57939), (11214, 57474), (11718, 55002), (12772, 50463), (12978, 49662), (14418, 44702), (16554, 38934), (16686, 38626), (16821, 38316), (17577, 36668), (18334, 35154), (19158, 33642), (19313, 33372), (19467, 33108), (22351, 28836), (22428, 28737), (23436, 27501), (24831, 25956)]