80809920

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{199}}^1$

素因数の和:272

約数の個数: 224

約数和(自身を含む): 292608000

約数和(自身を除く): 211798080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 47, 48, 54, 60, 64, 72, 80, 90, 94, 96, 108, 120, 135, 141, 144, 160, 180, 188, 192, 199, 216, 235, 240, 270, 282, 288, 320, 360, 376, 398, 423, 432, 470, 480, 540, 564, 576, 597, 705, 720, 752, 796, 846, 864, 940, 960, 995, 1080, 1128, 1194, 1269, 1410, 1440, 1504, 1592, 1692, 1728, 1791, 1880, 1990, 2115, 2160, 2256, 2388, 2538, 2820, 2880, 2985, 3008, 3184, 3384, 3582, 3760, 3980, 4230, 4320, 4512, 4776, 5076, 5373, 5640, 5970, 6345, 6368, 6768, 7164, 7520, 7960, 8460, 8640, 8955, 9024, 9353, 9552, 10152, 10746, 11280, 11940, 12690, 12736, 13536, 14328, 15040, 15920, 16920, 17910, 18706, 19104, 20304, 21492, 22560, 23880, 25380, 26865, 27072, 28059, 28656, 31840, 33840, 35820, 37412, 38208, 40608, 42984, 45120, 46765, 47760, 50760, 53730, 56118, 57312, 63680, 67680, 71640, 74824, 81216, 84177, 85968, 93530, 95520, 101520, 107460, 112236, 114624, 135360, 140295, 143280, 149648, 168354, 171936, 187060, 191040, 203040, 214920, 224472, 252531, 280590, 286560, 299296, 336708, 343872, 374120, 406080, 420885, 429840, 448944, 505062, 561180, 573120, 598592, 673416, 748240, 841770, 859680, 897888, 1010124, 1122360, 1262655, 1346832, 1496480, 1683540, 1719360, 1795776, 2020248, 2244720, 2525310, 2693664, 2992960, 3367080, 4040496, 4489440, 5050620, 5387328, 6734160, 8080992, 8978880, 10101240, 13468320, 16161984, 20202480, 26936640, 40404960, 80809920]

約数ペア:

[(1, 80809920), (2, 40404960), (3, 26936640), (4, 20202480), (5, 16161984), (6, 13468320), (8, 10101240), (9, 8978880), (10, 8080992), (12, 6734160), (15, 5387328), (16, 5050620), (18, 4489440), (20, 4040496), (24, 3367080), (27, 2992960), (30, 2693664), (32, 2525310), (36, 2244720), (40, 2020248), (45, 1795776), (47, 1719360), (48, 1683540), (54, 1496480), (60, 1346832), (64, 1262655), (72, 1122360), (80, 1010124), (90, 897888), (94, 859680), (96, 841770), (108, 748240), (120, 673416), (135, 598592), (141, 573120), (144, 561180), (160, 505062), (180, 448944), (188, 429840), (192, 420885), (199, 406080), (216, 374120), (235, 343872), (240, 336708), (270, 299296), (282, 286560), (288, 280590), (320, 252531), (360, 224472), (376, 214920), (398, 203040), (423, 191040), (432, 187060), (470, 171936), (480, 168354), (540, 149648), (564, 143280), (576, 140295), (597, 135360), (705, 114624), (720, 112236), (752, 107460), (796, 101520), (846, 95520), (864, 93530), (940, 85968), (960, 84177), (995, 81216), (1080, 74824), (1128, 71640), (1194, 67680), (1269, 63680), (1410, 57312), (1440, 56118), (1504, 53730), (1592, 50760), (1692, 47760), (1728, 46765), (1791, 45120), (1880, 42984), (1990, 40608), (2115, 38208), (2160, 37412), (2256, 35820), (2388, 33840), (2538, 31840), (2820, 28656), (2880, 28059), (2985, 27072), (3008, 26865), (3184, 25380), (3384, 23880), (3582, 22560), (3760, 21492), (3980, 20304), (4230, 19104), (4320, 18706), (4512, 17910), (4776, 16920), (5076, 15920), (5373, 15040), (5640, 14328), (5970, 13536), (6345, 12736), (6368, 12690), (6768, 11940), (7164, 11280), (7520, 10746), (7960, 10152), (8460, 9552), (8640, 9353), (8955, 9024)]