128638320

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{769}}^1$

素因数の和:843

約数の個数: 160

約数和(自身を含む): 433097280

約数和(自身を除く): 304458960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 41, 48, 51, 60, 68, 80, 82, 85, 102, 120, 123, 136, 164, 170, 204, 205, 240, 246, 255, 272, 328, 340, 408, 410, 492, 510, 615, 656, 680, 697, 769, 816, 820, 984, 1020, 1230, 1360, 1394, 1538, 1640, 1968, 2040, 2091, 2307, 2460, 2788, 3076, 3280, 3485, 3845, 4080, 4182, 4614, 4920, 5576, 6152, 6970, 7690, 8364, 9228, 9840, 10455, 11152, 11535, 12304, 13073, 13940, 15380, 16728, 18456, 20910, 23070, 26146, 27880, 30760, 31529, 33456, 36912, 39219, 41820, 46140, 52292, 55760, 61520, 63058, 65365, 78438, 83640, 92280, 94587, 104584, 126116, 130730, 156876, 157645, 167280, 184560, 189174, 196095, 209168, 252232, 261460, 313752, 315290, 378348, 392190, 472935, 504464, 522920, 535993, 627504, 630580, 756696, 784380, 945870, 1045840, 1071986, 1261160, 1513392, 1568760, 1607979, 1891740, 2143972, 2522320, 2679965, 3137520, 3215958, 3783480, 4287944, 5359930, 6431916, 7566960, 8039895, 8575888, 10719860, 12863832, 16079790, 21439720, 25727664, 32159580, 42879440, 64319160, 128638320]

約数ペア:

[(1, 128638320), (2, 64319160), (3, 42879440), (4, 32159580), (5, 25727664), (6, 21439720), (8, 16079790), (10, 12863832), (12, 10719860), (15, 8575888), (16, 8039895), (17, 7566960), (20, 6431916), (24, 5359930), (30, 4287944), (34, 3783480), (40, 3215958), (41, 3137520), (48, 2679965), (51, 2522320), (60, 2143972), (68, 1891740), (80, 1607979), (82, 1568760), (85, 1513392), (102, 1261160), (120, 1071986), (123, 1045840), (136, 945870), (164, 784380), (170, 756696), (204, 630580), (205, 627504), (240, 535993), (246, 522920), (255, 504464), (272, 472935), (328, 392190), (340, 378348), (408, 315290), (410, 313752), (492, 261460), (510, 252232), (615, 209168), (656, 196095), (680, 189174), (697, 184560), (769, 167280), (816, 157645), (820, 156876), (984, 130730), (1020, 126116), (1230, 104584), (1360, 94587), (1394, 92280), (1538, 83640), (1640, 78438), (1968, 65365), (2040, 63058), (2091, 61520), (2307, 55760), (2460, 52292), (2788, 46140), (3076, 41820), (3280, 39219), (3485, 36912), (3845, 33456), (4080, 31529), (4182, 30760), (4614, 27880), (4920, 26146), (5576, 23070), (6152, 20910), (6970, 18456), (7690, 16728), (8364, 15380), (9228, 13940), (9840, 13073), (10455, 12304), (11152, 11535)]