260776960

素因数分解:

$2^{10}\times 5^1\times {\mathrm{31}}^2\times {\mathrm{53}}^1$

素因数の和:140

約数の個数: 132

約数和(自身を含む): 658585404

約数和(自身を除く): 397808444

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 53, 62, 64, 80, 106, 124, 128, 155, 160, 212, 248, 256, 265, 310, 320, 424, 496, 512, 530, 620, 640, 848, 961, 992, 1024, 1060, 1240, 1280, 1643, 1696, 1922, 1984, 2120, 2480, 2560, 3286, 3392, 3844, 3968, 4240, 4805, 4960, 5120, 6572, 6784, 7688, 7936, 8215, 8480, 9610, 9920, 13144, 13568, 15376, 15872, 16430, 16960, 19220, 19840, 26288, 27136, 30752, 31744, 32860, 33920, 38440, 39680, 50933, 52576, 54272, 61504, 65720, 67840, 76880, 79360, 101866, 105152, 123008, 131440, 135680, 153760, 158720, 203732, 210304, 246016, 254665, 262880, 271360, 307520, 407464, 420608, 492032, 509330, 525760, 615040, 814928, 841216, 984064, 1018660, 1051520, 1230080, 1629856, 1682432, 2037320, 2103040, 2460160, 3259712, 4074640, 4206080, 4920320, 6519424, 8149280, 8412160, 13038848, 16298560, 26077696, 32597120, 52155392, 65194240, 130388480, 260776960]

約数ペア:

[(1, 260776960), (2, 130388480), (4, 65194240), (5, 52155392), (8, 32597120), (10, 26077696), (16, 16298560), (20, 13038848), (31, 8412160), (32, 8149280), (40, 6519424), (53, 4920320), (62, 4206080), (64, 4074640), (80, 3259712), (106, 2460160), (124, 2103040), (128, 2037320), (155, 1682432), (160, 1629856), (212, 1230080), (248, 1051520), (256, 1018660), (265, 984064), (310, 841216), (320, 814928), (424, 615040), (496, 525760), (512, 509330), (530, 492032), (620, 420608), (640, 407464), (848, 307520), (961, 271360), (992, 262880), (1024, 254665), (1060, 246016), (1240, 210304), (1280, 203732), (1643, 158720), (1696, 153760), (1922, 135680), (1984, 131440), (2120, 123008), (2480, 105152), (2560, 101866), (3286, 79360), (3392, 76880), (3844, 67840), (3968, 65720), (4240, 61504), (4805, 54272), (4960, 52576), (5120, 50933), (6572, 39680), (6784, 38440), (7688, 33920), (7936, 32860), (8215, 31744), (8480, 30752), (9610, 27136), (9920, 26288), (13144, 19840), (13568, 19220), (15376, 16960), (15872, 16430)]