251382720

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{8447}}^1$

素因数の和:8498

約数の個数: 112

約数和(自身を含む): 823984128

約数和(自身を除く): 572601408

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 64, 80, 93, 96, 120, 124, 155, 160, 186, 192, 240, 248, 310, 320, 372, 465, 480, 496, 620, 744, 930, 960, 992, 1240, 1488, 1860, 1984, 2480, 2976, 3720, 4960, 5952, 7440, 8447, 9920, 14880, 16894, 25341, 29760, 33788, 42235, 50682, 67576, 84470, 101364, 126705, 135152, 168940, 202728, 253410, 261857, 270304, 337880, 405456, 506820, 523714, 540608, 675760, 785571, 810912, 1013640, 1047428, 1309285, 1351520, 1571142, 1621824, 2027280, 2094856, 2618570, 2703040, 3142284, 3927855, 4054560, 4189712, 5237140, 6284568, 7855710, 8109120, 8379424, 10474280, 12569136, 15711420, 16758848, 20948560, 25138272, 31422840, 41897120, 50276544, 62845680, 83794240, 125691360, 251382720]

約数ペア:

[(1, 251382720), (2, 125691360), (3, 83794240), (4, 62845680), (5, 50276544), (6, 41897120), (8, 31422840), (10, 25138272), (12, 20948560), (15, 16758848), (16, 15711420), (20, 12569136), (24, 10474280), (30, 8379424), (31, 8109120), (32, 7855710), (40, 6284568), (48, 5237140), (60, 4189712), (62, 4054560), (64, 3927855), (80, 3142284), (93, 2703040), (96, 2618570), (120, 2094856), (124, 2027280), (155, 1621824), (160, 1571142), (186, 1351520), (192, 1309285), (240, 1047428), (248, 1013640), (310, 810912), (320, 785571), (372, 675760), (465, 540608), (480, 523714), (496, 506820), (620, 405456), (744, 337880), (930, 270304), (960, 261857), (992, 253410), (1240, 202728), (1488, 168940), (1860, 135152), (1984, 126705), (2480, 101364), (2976, 84470), (3720, 67576), (4960, 50682), (5952, 42235), (7440, 33788), (8447, 29760), (9920, 25341), (14880, 16894)]