1721706768

素因数分解:

$2^4\times 3^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{409}}^1$

素因数の和:518

約数の個数: 240

約数和(自身を含む): 5329658880

約数和(自身を除く): 3607952112

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 31, 36, 41, 46, 48, 62, 69, 72, 82, 92, 93, 123, 124, 138, 144, 164, 184, 186, 207, 246, 248, 276, 279, 328, 368, 369, 372, 409, 414, 492, 496, 552, 558, 656, 713, 738, 744, 818, 828, 943, 984, 1104, 1116, 1227, 1271, 1426, 1476, 1488, 1636, 1656, 1886, 1968, 2139, 2232, 2454, 2542, 2829, 2852, 2952, 3272, 3312, 3681, 3772, 3813, 4278, 4464, 4908, 5084, 5658, 5704, 5904, 6417, 6544, 7362, 7544, 7626, 8487, 8556, 9407, 9816, 10168, 11316, 11408, 11439, 12679, 12834, 14724, 15088, 15252, 16769, 16974, 17112, 18814, 19632, 20336, 22632, 22878, 25358, 25668, 28221, 29233, 29448, 30504, 33538, 33948, 34224, 37628, 38037, 45264, 45756, 50307, 50716, 51336, 56442, 58466, 58896, 61008, 67076, 67896, 75256, 76074, 84663, 87699, 91512, 100614, 101432, 102672, 112884, 114111, 116932, 134152, 135792, 150512, 150921, 152148, 169326, 175398, 183024, 201228, 202864, 225768, 228222, 233864, 263097, 268304, 291617, 301842, 304296, 338652, 350796, 385687, 402456, 451536, 456444, 467728, 519839, 526194, 583234, 603684, 608592, 677304, 701592, 771374, 804912, 874851, 912888, 1039678, 1052388, 1157061, 1166468, 1207368, 1354608, 1403184, 1542748, 1559517, 1749702, 1825776, 2079356, 2104776, 2314122, 2332936, 2414736, 2624553, 3085496, 3119034, 3471183, 3499404, 4158712, 4209552, 4628244, 4665872, 4678551, 5249106, 6170992, 6238068, 6942366, 6998808, 8317424, 9256488, 9357102, 10498212, 11956297, 12476136, 13884732, 13997616, 18512976, 18714204, 20996424, 23912594, 24952272, 27769464, 35868891, 37428408, 41992848, 47825188, 55538928, 71737782, 74856816, 95650376, 107606673, 143475564, 191300752, 215213346, 286951128, 430426692, 573902256, 860853384, 1721706768]

約数ペア:

[(1, 1721706768), (2, 860853384), (3, 573902256), (4, 430426692), (6, 286951128), (8, 215213346), (9, 191300752), (12, 143475564), (16, 107606673), (18, 95650376), (23, 74856816), (24, 71737782), (31, 55538928), (36, 47825188), (41, 41992848), (46, 37428408), (48, 35868891), (62, 27769464), (69, 24952272), (72, 23912594), (82, 20996424), (92, 18714204), (93, 18512976), (123, 13997616), (124, 13884732), (138, 12476136), (144, 11956297), (164, 10498212), (184, 9357102), (186, 9256488), (207, 8317424), (246, 6998808), (248, 6942366), (276, 6238068), (279, 6170992), (328, 5249106), (368, 4678551), (369, 4665872), (372, 4628244), (409, 4209552), (414, 4158712), (492, 3499404), (496, 3471183), (552, 3119034), (558, 3085496), (656, 2624553), (713, 2414736), (738, 2332936), (744, 2314122), (818, 2104776), (828, 2079356), (943, 1825776), (984, 1749702), (1104, 1559517), (1116, 1542748), (1227, 1403184), (1271, 1354608), (1426, 1207368), (1476, 1166468), (1488, 1157061), (1636, 1052388), (1656, 1039678), (1886, 912888), (1968, 874851), (2139, 804912), (2232, 771374), (2454, 701592), (2542, 677304), (2829, 608592), (2852, 603684), (2952, 583234), (3272, 526194), (3312, 519839), (3681, 467728), (3772, 456444), (3813, 451536), (4278, 402456), (4464, 385687), (4908, 350796), (5084, 338652), (5658, 304296), (5704, 301842), (5904, 291617), (6417, 268304), (6544, 263097), (7362, 233864), (7544, 228222), (7626, 225768), (8487, 202864), (8556, 201228), (9407, 183024), (9816, 175398), (10168, 169326), (11316, 152148), (11408, 150921), (11439, 150512), (12679, 135792), (12834, 134152), (14724, 116932), (15088, 114111), (15252, 112884), (16769, 102672), (16974, 101432), (17112, 100614), (18814, 91512), (19632, 87699), (20336, 84663), (22632, 76074), (22878, 75256), (25358, 67896), (25668, 67076), (28221, 61008), (29233, 58896), (29448, 58466), (30504, 56442), (33538, 51336), (33948, 50716), (34224, 50307), (37628, 45756), (38037, 45264)]