64887360

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{257}}^1\times {\mathrm{263}}^1$

素因数の和:540

約数の個数: 112

約数和(自身を含む): 207605376

約数和(自身を除く): 142718016

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 240, 257, 263, 320, 480, 514, 526, 771, 789, 960, 1028, 1052, 1285, 1315, 1542, 1578, 2056, 2104, 2570, 2630, 3084, 3156, 3855, 3945, 4112, 4208, 5140, 5260, 6168, 6312, 7710, 7890, 8224, 8416, 10280, 10520, 12336, 12624, 15420, 15780, 16448, 16832, 20560, 21040, 24672, 25248, 30840, 31560, 41120, 42080, 49344, 50496, 61680, 63120, 67591, 82240, 84160, 123360, 126240, 135182, 202773, 246720, 252480, 270364, 337955, 405546, 540728, 675910, 811092, 1013865, 1081456, 1351820, 1622184, 2027730, 2162912, 2703640, 3244368, 4055460, 4325824, 5407280, 6488736, 8110920, 10814560, 12977472, 16221840, 21629120, 32443680, 64887360]

約数ペア:

[(1, 64887360), (2, 32443680), (3, 21629120), (4, 16221840), (5, 12977472), (6, 10814560), (8, 8110920), (10, 6488736), (12, 5407280), (15, 4325824), (16, 4055460), (20, 3244368), (24, 2703640), (30, 2162912), (32, 2027730), (40, 1622184), (48, 1351820), (60, 1081456), (64, 1013865), (80, 811092), (96, 675910), (120, 540728), (160, 405546), (192, 337955), (240, 270364), (257, 252480), (263, 246720), (320, 202773), (480, 135182), (514, 126240), (526, 123360), (771, 84160), (789, 82240), (960, 67591), (1028, 63120), (1052, 61680), (1285, 50496), (1315, 49344), (1542, 42080), (1578, 41120), (2056, 31560), (2104, 30840), (2570, 25248), (2630, 24672), (3084, 21040), (3156, 20560), (3855, 16832), (3945, 16448), (4112, 15780), (4208, 15420), (5140, 12624), (5260, 12336), (6168, 10520), (6312, 10280), (7710, 8416), (7890, 8224)]