315861728

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3499}}^1$

素因数の和:3560

約数の個数: 96

約数和(自身を含む): 790272000

約数和(自身を除く): 474410272

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 31, 32, 52, 56, 62, 91, 104, 112, 124, 182, 208, 217, 224, 248, 364, 403, 416, 434, 496, 728, 806, 868, 992, 1456, 1612, 1736, 2821, 2912, 3224, 3472, 3499, 5642, 6448, 6944, 6998, 11284, 12896, 13996, 22568, 24493, 27992, 45136, 45487, 48986, 55984, 90272, 90974, 97972, 108469, 111968, 181948, 195944, 216938, 318409, 363896, 391888, 433876, 636818, 727792, 759283, 783776, 867752, 1273636, 1410097, 1455584, 1518566, 1735504, 2547272, 2820194, 3037132, 3471008, 5094544, 5640388, 6074264, 9870679, 10189088, 11280776, 12148528, 19741358, 22561552, 24297056, 39482716, 45123104, 78965432, 157930864, 315861728]

約数ペア:

[(1, 315861728), (2, 157930864), (4, 78965432), (7, 45123104), (8, 39482716), (13, 24297056), (14, 22561552), (16, 19741358), (26, 12148528), (28, 11280776), (31, 10189088), (32, 9870679), (52, 6074264), (56, 5640388), (62, 5094544), (91, 3471008), (104, 3037132), (112, 2820194), (124, 2547272), (182, 1735504), (208, 1518566), (217, 1455584), (224, 1410097), (248, 1273636), (364, 867752), (403, 783776), (416, 759283), (434, 727792), (496, 636818), (728, 433876), (806, 391888), (868, 363896), (992, 318409), (1456, 216938), (1612, 195944), (1736, 181948), (2821, 111968), (2912, 108469), (3224, 97972), (3472, 90974), (3499, 90272), (5642, 55984), (6448, 48986), (6944, 45487), (6998, 45136), (11284, 27992), (12896, 24493), (13996, 22568)]