1721157984

素因数分解:

$2^5\times 3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{7297}}^1$

素因数の和:7339

約数の個数: 240

約数和(自身を含む): 6230857248

約数和(自身を除く): 4509699264

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 16, 18, 21, 24, 26, 27, 28, 32, 36, 39, 42, 48, 52, 54, 56, 63, 72, 78, 81, 84, 91, 96, 104, 108, 112, 117, 126, 144, 156, 162, 168, 182, 189, 208, 216, 224, 234, 252, 273, 288, 312, 324, 336, 351, 364, 378, 416, 432, 468, 504, 546, 567, 624, 648, 672, 702, 728, 756, 819, 864, 936, 1008, 1053, 1092, 1134, 1248, 1296, 1404, 1456, 1512, 1638, 1872, 2016, 2106, 2184, 2268, 2457, 2592, 2808, 2912, 3024, 3276, 3744, 4212, 4368, 4536, 4914, 5616, 6048, 6552, 7297, 7371, 8424, 8736, 9072, 9828, 11232, 13104, 14594, 14742, 16848, 18144, 19656, 21891, 26208, 29188, 29484, 33696, 39312, 43782, 51079, 58376, 58968, 65673, 78624, 87564, 94861, 102158, 116752, 117936, 131346, 153237, 175128, 189722, 197019, 204316, 233504, 235872, 262692, 284583, 306474, 350256, 379444, 394038, 408632, 459711, 525384, 569166, 591057, 612948, 664027, 700512, 758888, 788076, 817264, 853749, 919422, 1050768, 1138332, 1182114, 1225896, 1328054, 1379133, 1517776, 1576152, 1634528, 1707498, 1838844, 1992081, 2101536, 2276664, 2364228, 2451792, 2561247, 2656108, 2758266, 3035552, 3152304, 3414996, 3677688, 3984162, 4137399, 4553328, 4728456, 4903584, 5122494, 5312216, 5516532, 5976243, 6304608, 6829992, 7355376, 7683741, 7968324, 8274798, 9106656, 9456912, 10244988, 10624432, 11033064, 11952486, 13659984, 14710752, 15367482, 15936648, 16549596, 17928729, 18913824, 20489976, 21248864, 22066128, 23904972, 27319968, 30734964, 31873296, 33099192, 35857458, 40979952, 44132256, 47809944, 53786187, 61469928, 63746592, 66198384, 71714916, 81959904, 95619888, 107572374, 122939856, 132396768, 143429832, 191239776, 215144748, 245879712, 286859664, 430289496, 573719328, 860578992, 1721157984]

約数ペア:

[(1, 1721157984), (2, 860578992), (3, 573719328), (4, 430289496), (6, 286859664), (7, 245879712), (8, 215144748), (9, 191239776), (12, 143429832), (13, 132396768), (14, 122939856), (16, 107572374), (18, 95619888), (21, 81959904), (24, 71714916), (26, 66198384), (27, 63746592), (28, 61469928), (32, 53786187), (36, 47809944), (39, 44132256), (42, 40979952), (48, 35857458), (52, 33099192), (54, 31873296), (56, 30734964), (63, 27319968), (72, 23904972), (78, 22066128), (81, 21248864), (84, 20489976), (91, 18913824), (96, 17928729), (104, 16549596), (108, 15936648), (112, 15367482), (117, 14710752), (126, 13659984), (144, 11952486), (156, 11033064), (162, 10624432), (168, 10244988), (182, 9456912), (189, 9106656), (208, 8274798), (216, 7968324), (224, 7683741), (234, 7355376), (252, 6829992), (273, 6304608), (288, 5976243), (312, 5516532), (324, 5312216), (336, 5122494), (351, 4903584), (364, 4728456), (378, 4553328), (416, 4137399), (432, 3984162), (468, 3677688), (504, 3414996), (546, 3152304), (567, 3035552), (624, 2758266), (648, 2656108), (672, 2561247), (702, 2451792), (728, 2364228), (756, 2276664), (819, 2101536), (864, 1992081), (936, 1838844), (1008, 1707498), (1053, 1634528), (1092, 1576152), (1134, 1517776), (1248, 1379133), (1296, 1328054), (1404, 1225896), (1456, 1182114), (1512, 1138332), (1638, 1050768), (1872, 919422), (2016, 853749), (2106, 817264), (2184, 788076), (2268, 758888), (2457, 700512), (2592, 664027), (2808, 612948), (2912, 591057), (3024, 569166), (3276, 525384), (3744, 459711), (4212, 408632), (4368, 394038), (4536, 379444), (4914, 350256), (5616, 306474), (6048, 284583), (6552, 262692), (7297, 235872), (7371, 233504), (8424, 204316), (8736, 197019), (9072, 189722), (9828, 175128), (11232, 153237), (13104, 131346), (14594, 117936), (14742, 116752), (16848, 102158), (18144, 94861), (19656, 87564), (21891, 78624), (26208, 65673), (29188, 58968), (29484, 58376), (33696, 51079), (39312, 43782)]