129157920

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{349}}^1$

素因数の和:627

約数の個数: 144

約数和(自身を含む): 443734200

約数和(自身を除く): 314576280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 257, 288, 349, 360, 480, 514, 698, 720, 771, 1028, 1047, 1285, 1396, 1440, 1542, 1745, 2056, 2094, 2313, 2570, 2792, 3084, 3141, 3490, 3855, 4112, 4188, 4626, 5140, 5235, 5584, 6168, 6282, 6980, 7710, 8224, 8376, 9252, 10280, 10470, 11168, 11565, 12336, 12564, 13960, 15420, 15705, 16752, 18504, 20560, 20940, 23130, 24672, 25128, 27920, 30840, 31410, 33504, 37008, 41120, 41880, 46260, 50256, 55840, 61680, 62820, 74016, 83760, 89693, 92520, 100512, 123360, 125640, 167520, 179386, 185040, 251280, 269079, 358772, 370080, 448465, 502560, 538158, 717544, 807237, 896930, 1076316, 1345395, 1435088, 1614474, 1793860, 2152632, 2690790, 2870176, 3228948, 3587720, 4036185, 4305264, 5381580, 6457896, 7175440, 8072370, 8610528, 10763160, 12915792, 14350880, 16144740, 21526320, 25831584, 32289480, 43052640, 64578960, 129157920]

約数ペア:

[(1, 129157920), (2, 64578960), (3, 43052640), (4, 32289480), (5, 25831584), (6, 21526320), (8, 16144740), (9, 14350880), (10, 12915792), (12, 10763160), (15, 8610528), (16, 8072370), (18, 7175440), (20, 6457896), (24, 5381580), (30, 4305264), (32, 4036185), (36, 3587720), (40, 3228948), (45, 2870176), (48, 2690790), (60, 2152632), (72, 1793860), (80, 1614474), (90, 1435088), (96, 1345395), (120, 1076316), (144, 896930), (160, 807237), (180, 717544), (240, 538158), (257, 502560), (288, 448465), (349, 370080), (360, 358772), (480, 269079), (514, 251280), (698, 185040), (720, 179386), (771, 167520), (1028, 125640), (1047, 123360), (1285, 100512), (1396, 92520), (1440, 89693), (1542, 83760), (1745, 74016), (2056, 62820), (2094, 61680), (2313, 55840), (2570, 50256), (2792, 46260), (3084, 41880), (3141, 41120), (3490, 37008), (3855, 33504), (4112, 31410), (4188, 30840), (4626, 27920), (5140, 25128), (5235, 24672), (5584, 23130), (6168, 20940), (6282, 20560), (6980, 18504), (7710, 16752), (8224, 15705), (8376, 15420), (9252, 13960), (10280, 12564), (10470, 12336), (11168, 11565)]