398772720

素因数分解:

$2^4\times 3^5\times 5^1\times {\mathrm{73}}^1\times {\mathrm{281}}^1$

素因数の和:382

約数の個数: 240

約数和(自身を含む): 1412847072

約数和(自身を除く): 1014074352

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 73, 80, 81, 90, 108, 120, 135, 144, 146, 162, 180, 216, 219, 240, 243, 270, 281, 292, 324, 360, 365, 405, 432, 438, 486, 540, 562, 584, 648, 657, 720, 730, 810, 843, 876, 972, 1080, 1095, 1124, 1168, 1215, 1296, 1314, 1405, 1460, 1620, 1686, 1752, 1944, 1971, 2160, 2190, 2248, 2430, 2529, 2628, 2810, 2920, 3240, 3285, 3372, 3504, 3888, 3942, 4215, 4380, 4496, 4860, 5058, 5256, 5620, 5840, 5913, 6480, 6570, 6744, 7587, 7884, 8430, 8760, 9720, 9855, 10116, 10512, 11240, 11826, 12645, 13140, 13488, 15174, 15768, 16860, 17520, 17739, 19440, 19710, 20232, 20513, 22480, 22761, 23652, 25290, 26280, 29565, 30348, 31536, 33720, 35478, 37935, 39420, 40464, 41026, 45522, 47304, 50580, 52560, 59130, 60696, 61539, 67440, 68283, 70956, 75870, 78840, 82052, 88695, 91044, 94608, 101160, 102565, 113805, 118260, 121392, 123078, 136566, 141912, 151740, 157680, 164104, 177390, 182088, 184617, 202320, 205130, 227610, 236520, 246156, 273132, 283824, 303480, 307695, 328208, 341415, 354780, 364176, 369234, 410260, 455220, 473040, 492312, 546264, 553851, 606960, 615390, 682830, 709560, 738468, 820520, 910440, 923085, 984624, 1092528, 1107702, 1230780, 1365660, 1419120, 1476936, 1641040, 1661553, 1820880, 1846170, 2215404, 2461560, 2731320, 2769255, 2953872, 3323106, 3692340, 4430808, 4923120, 4984659, 5462640, 5538510, 6646212, 7384680, 8307765, 8861616, 9969318, 11077020, 13292424, 14769360, 16615530, 19938636, 22154040, 24923295, 26584848, 33231060, 39877272, 44308080, 49846590, 66462120, 79754544, 99693180, 132924240, 199386360, 398772720]

約数ペア:

[(1, 398772720), (2, 199386360), (3, 132924240), (4, 99693180), (5, 79754544), (6, 66462120), (8, 49846590), (9, 44308080), (10, 39877272), (12, 33231060), (15, 26584848), (16, 24923295), (18, 22154040), (20, 19938636), (24, 16615530), (27, 14769360), (30, 13292424), (36, 11077020), (40, 9969318), (45, 8861616), (48, 8307765), (54, 7384680), (60, 6646212), (72, 5538510), (73, 5462640), (80, 4984659), (81, 4923120), (90, 4430808), (108, 3692340), (120, 3323106), (135, 2953872), (144, 2769255), (146, 2731320), (162, 2461560), (180, 2215404), (216, 1846170), (219, 1820880), (240, 1661553), (243, 1641040), (270, 1476936), (281, 1419120), (292, 1365660), (324, 1230780), (360, 1107702), (365, 1092528), (405, 984624), (432, 923085), (438, 910440), (486, 820520), (540, 738468), (562, 709560), (584, 682830), (648, 615390), (657, 606960), (720, 553851), (730, 546264), (810, 492312), (843, 473040), (876, 455220), (972, 410260), (1080, 369234), (1095, 364176), (1124, 354780), (1168, 341415), (1215, 328208), (1296, 307695), (1314, 303480), (1405, 283824), (1460, 273132), (1620, 246156), (1686, 236520), (1752, 227610), (1944, 205130), (1971, 202320), (2160, 184617), (2190, 182088), (2248, 177390), (2430, 164104), (2529, 157680), (2628, 151740), (2810, 141912), (2920, 136566), (3240, 123078), (3285, 121392), (3372, 118260), (3504, 113805), (3888, 102565), (3942, 101160), (4215, 94608), (4380, 91044), (4496, 88695), (4860, 82052), (5058, 78840), (5256, 75870), (5620, 70956), (5840, 68283), (5913, 67440), (6480, 61539), (6570, 60696), (6744, 59130), (7587, 52560), (7884, 50580), (8430, 47304), (8760, 45522), (9720, 41026), (9855, 40464), (10116, 39420), (10512, 37935), (11240, 35478), (11826, 33720), (12645, 31536), (13140, 30348), (13488, 29565), (15174, 26280), (15768, 25290), (16860, 23652), (17520, 22761), (17739, 22480), (19440, 20513), (19710, 20232)]