400777920

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^2$

素因数の和:188

約数の個数: 252

約数和(自身を含む): 1444532544

約数和(自身を除く): 1043754624

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 32, 36, 40, 45, 48, 60, 62, 64, 67, 72, 80, 90, 93, 96, 120, 124, 134, 144, 155, 160, 180, 186, 192, 201, 240, 248, 268, 279, 288, 310, 320, 335, 360, 372, 402, 465, 480, 496, 536, 558, 576, 603, 620, 670, 720, 744, 804, 930, 960, 992, 1005, 1072, 1116, 1206, 1240, 1340, 1395, 1440, 1488, 1608, 1860, 1984, 2010, 2077, 2144, 2232, 2412, 2480, 2680, 2790, 2880, 2976, 3015, 3216, 3720, 4020, 4154, 4288, 4464, 4489, 4824, 4960, 5360, 5580, 5952, 6030, 6231, 6432, 7440, 8040, 8308, 8928, 8978, 9648, 9920, 10385, 10720, 11160, 12060, 12462, 12864, 13467, 14880, 16080, 16616, 17856, 17956, 18693, 19296, 20770, 21440, 22320, 22445, 24120, 24924, 26934, 29760, 31155, 32160, 33232, 35912, 37386, 38592, 40401, 41540, 44640, 44890, 48240, 49848, 53868, 62310, 64320, 66464, 67335, 71824, 74772, 80802, 83080, 89280, 89780, 93465, 96480, 99696, 107736, 124620, 132928, 134670, 139159, 143648, 149544, 161604, 166160, 179560, 186930, 192960, 199392, 202005, 215472, 249240, 269340, 278318, 287296, 299088, 323208, 332320, 359120, 373860, 398784, 404010, 417477, 430944, 498480, 538680, 556636, 598176, 646416, 664640, 695795, 718240, 747720, 808020, 834954, 861888, 996960, 1077360, 1113272, 1196352, 1252431, 1292832, 1391590, 1436480, 1495440, 1616040, 1669908, 1993920, 2087385, 2154720, 2226544, 2504862, 2585664, 2783180, 2990880, 3232080, 3339816, 4174770, 4309440, 4453088, 5009724, 5566360, 5981760, 6262155, 6464160, 6679632, 8349540, 8906176, 10019448, 11132720, 12524310, 12928320, 13359264, 16699080, 20038896, 22265440, 25048620, 26718528, 33398160, 40077792, 44530880, 50097240, 66796320, 80155584, 100194480, 133592640, 200388960, 400777920]

約数ペア:

[(1, 400777920), (2, 200388960), (3, 133592640), (4, 100194480), (5, 80155584), (6, 66796320), (8, 50097240), (9, 44530880), (10, 40077792), (12, 33398160), (15, 26718528), (16, 25048620), (18, 22265440), (20, 20038896), (24, 16699080), (30, 13359264), (31, 12928320), (32, 12524310), (36, 11132720), (40, 10019448), (45, 8906176), (48, 8349540), (60, 6679632), (62, 6464160), (64, 6262155), (67, 5981760), (72, 5566360), (80, 5009724), (90, 4453088), (93, 4309440), (96, 4174770), (120, 3339816), (124, 3232080), (134, 2990880), (144, 2783180), (155, 2585664), (160, 2504862), (180, 2226544), (186, 2154720), (192, 2087385), (201, 1993920), (240, 1669908), (248, 1616040), (268, 1495440), (279, 1436480), (288, 1391590), (310, 1292832), (320, 1252431), (335, 1196352), (360, 1113272), (372, 1077360), (402, 996960), (465, 861888), (480, 834954), (496, 808020), (536, 747720), (558, 718240), (576, 695795), (603, 664640), (620, 646416), (670, 598176), (720, 556636), (744, 538680), (804, 498480), (930, 430944), (960, 417477), (992, 404010), (1005, 398784), (1072, 373860), (1116, 359120), (1206, 332320), (1240, 323208), (1340, 299088), (1395, 287296), (1440, 278318), (1488, 269340), (1608, 249240), (1860, 215472), (1984, 202005), (2010, 199392), (2077, 192960), (2144, 186930), (2232, 179560), (2412, 166160), (2480, 161604), (2680, 149544), (2790, 143648), (2880, 139159), (2976, 134670), (3015, 132928), (3216, 124620), (3720, 107736), (4020, 99696), (4154, 96480), (4288, 93465), (4464, 89780), (4489, 89280), (4824, 83080), (4960, 80802), (5360, 74772), (5580, 71824), (5952, 67335), (6030, 66464), (6231, 64320), (6432, 62310), (7440, 53868), (8040, 49848), (8308, 48240), (8928, 44890), (8978, 44640), (9648, 41540), (9920, 40401), (10385, 38592), (10720, 37386), (11160, 35912), (12060, 33232), (12462, 32160), (12864, 31155), (13467, 29760), (14880, 26934), (16080, 24924), (16616, 24120), (17856, 22445), (17956, 22320), (18693, 21440), (19296, 20770)]