140903680

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1$

素因数の和:172

約数の個数: 144

約数和(自身を含む): 360267264

約数和(自身を除く): 219363584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 53, 62, 64, 67, 80, 106, 124, 128, 134, 155, 160, 212, 248, 256, 265, 268, 310, 320, 335, 424, 496, 530, 536, 620, 640, 670, 848, 992, 1060, 1072, 1240, 1280, 1340, 1643, 1696, 1984, 2077, 2120, 2144, 2480, 2680, 3286, 3392, 3551, 3968, 4154, 4240, 4288, 4960, 5360, 6572, 6784, 7102, 7936, 8215, 8308, 8480, 8576, 9920, 10385, 10720, 13144, 13568, 14204, 16430, 16616, 16960, 17152, 17755, 19840, 20770, 21440, 26288, 28408, 32860, 33232, 33920, 35510, 39680, 41540, 42880, 52576, 56816, 65720, 66464, 67840, 71020, 83080, 85760, 105152, 110081, 113632, 131440, 132928, 142040, 166160, 210304, 220162, 227264, 262880, 265856, 284080, 332320, 420608, 440324, 454528, 525760, 531712, 550405, 568160, 664640, 880648, 909056, 1051520, 1100810, 1136320, 1329280, 1761296, 2103040, 2201620, 2272640, 2658560, 3522592, 4403240, 4545280, 7045184, 8806480, 14090368, 17612960, 28180736, 35225920, 70451840, 140903680]

約数ペア:

[(1, 140903680), (2, 70451840), (4, 35225920), (5, 28180736), (8, 17612960), (10, 14090368), (16, 8806480), (20, 7045184), (31, 4545280), (32, 4403240), (40, 3522592), (53, 2658560), (62, 2272640), (64, 2201620), (67, 2103040), (80, 1761296), (106, 1329280), (124, 1136320), (128, 1100810), (134, 1051520), (155, 909056), (160, 880648), (212, 664640), (248, 568160), (256, 550405), (265, 531712), (268, 525760), (310, 454528), (320, 440324), (335, 420608), (424, 332320), (496, 284080), (530, 265856), (536, 262880), (620, 227264), (640, 220162), (670, 210304), (848, 166160), (992, 142040), (1060, 132928), (1072, 131440), (1240, 113632), (1280, 110081), (1340, 105152), (1643, 85760), (1696, 83080), (1984, 71020), (2077, 67840), (2120, 66464), (2144, 65720), (2480, 56816), (2680, 52576), (3286, 42880), (3392, 41540), (3551, 39680), (3968, 35510), (4154, 33920), (4240, 33232), (4288, 32860), (4960, 28408), (5360, 26288), (6572, 21440), (6784, 20770), (7102, 19840), (7936, 17755), (8215, 17152), (8308, 16960), (8480, 16616), (8576, 16430), (9920, 14204), (10385, 13568), (10720, 13144)]