278569920

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:219

約数の個数: 224

約数和(自身を含む): 925226496

約数和(自身を除く): 646656576

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 61, 64, 67, 71, 80, 96, 120, 122, 134, 142, 160, 183, 192, 201, 213, 240, 244, 268, 284, 305, 320, 335, 355, 366, 402, 426, 480, 488, 536, 568, 610, 670, 710, 732, 804, 852, 915, 960, 976, 1005, 1065, 1072, 1136, 1220, 1340, 1420, 1464, 1608, 1704, 1830, 1952, 2010, 2130, 2144, 2272, 2440, 2680, 2840, 2928, 3216, 3408, 3660, 3904, 4020, 4087, 4260, 4288, 4331, 4544, 4757, 4880, 5360, 5680, 5856, 6432, 6816, 7320, 8040, 8174, 8520, 8662, 9514, 9760, 10720, 11360, 11712, 12261, 12864, 12993, 13632, 14271, 14640, 16080, 16348, 17040, 17324, 19028, 19520, 20435, 21440, 21655, 22720, 23785, 24522, 25986, 28542, 29280, 32160, 32696, 34080, 34648, 38056, 40870, 43310, 47570, 49044, 51972, 57084, 58560, 61305, 64320, 64965, 65392, 68160, 69296, 71355, 76112, 81740, 86620, 95140, 98088, 103944, 114168, 122610, 129930, 130784, 138592, 142710, 152224, 163480, 173240, 190280, 196176, 207888, 228336, 245220, 259860, 261568, 277184, 285420, 290177, 304448, 326960, 346480, 380560, 392352, 415776, 456672, 490440, 519720, 570840, 580354, 653920, 692960, 761120, 784704, 831552, 870531, 913344, 980880, 1039440, 1141680, 1160708, 1307840, 1385920, 1450885, 1522240, 1741062, 1961760, 2078880, 2283360, 2321416, 2901770, 3482124, 3923520, 4157760, 4352655, 4566720, 4642832, 5803540, 6964248, 8705310, 9285664, 11607080, 13928496, 17410620, 18571328, 23214160, 27856992, 34821240, 46428320, 55713984, 69642480, 92856640, 139284960, 278569920]

約数ペア:

[(1, 278569920), (2, 139284960), (3, 92856640), (4, 69642480), (5, 55713984), (6, 46428320), (8, 34821240), (10, 27856992), (12, 23214160), (15, 18571328), (16, 17410620), (20, 13928496), (24, 11607080), (30, 9285664), (32, 8705310), (40, 6964248), (48, 5803540), (60, 4642832), (61, 4566720), (64, 4352655), (67, 4157760), (71, 3923520), (80, 3482124), (96, 2901770), (120, 2321416), (122, 2283360), (134, 2078880), (142, 1961760), (160, 1741062), (183, 1522240), (192, 1450885), (201, 1385920), (213, 1307840), (240, 1160708), (244, 1141680), (268, 1039440), (284, 980880), (305, 913344), (320, 870531), (335, 831552), (355, 784704), (366, 761120), (402, 692960), (426, 653920), (480, 580354), (488, 570840), (536, 519720), (568, 490440), (610, 456672), (670, 415776), (710, 392352), (732, 380560), (804, 346480), (852, 326960), (915, 304448), (960, 290177), (976, 285420), (1005, 277184), (1065, 261568), (1072, 259860), (1136, 245220), (1220, 228336), (1340, 207888), (1420, 196176), (1464, 190280), (1608, 173240), (1704, 163480), (1830, 152224), (1952, 142710), (2010, 138592), (2130, 130784), (2144, 129930), (2272, 122610), (2440, 114168), (2680, 103944), (2840, 98088), (2928, 95140), (3216, 86620), (3408, 81740), (3660, 76112), (3904, 71355), (4020, 69296), (4087, 68160), (4260, 65392), (4288, 64965), (4331, 64320), (4544, 61305), (4757, 58560), (4880, 57084), (5360, 51972), (5680, 49044), (5856, 47570), (6432, 43310), (6816, 40870), (7320, 38056), (8040, 34648), (8174, 34080), (8520, 32696), (8662, 32160), (9514, 29280), (9760, 28542), (10720, 25986), (11360, 24522), (11712, 23785), (12261, 22720), (12864, 21655), (12993, 21440), (13632, 20435), (14271, 19520), (14640, 19028), (16080, 17324), (16348, 17040)]