25453440

素因数分解:

$2^7\times 3^4\times 5^1\times {\mathrm{491}}^1$

素因数の和:522

約数の個数: 160

約数和(自身を含む): 91083960

約数和(自身を除く): 65630520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 81, 90, 96, 108, 120, 128, 135, 144, 160, 162, 180, 192, 216, 240, 270, 288, 320, 324, 360, 384, 405, 432, 480, 491, 540, 576, 640, 648, 720, 810, 864, 960, 982, 1080, 1152, 1296, 1440, 1473, 1620, 1728, 1920, 1964, 2160, 2455, 2592, 2880, 2946, 3240, 3456, 3928, 4320, 4419, 4910, 5184, 5760, 5892, 6480, 7365, 7856, 8640, 8838, 9820, 10368, 11784, 12960, 13257, 14730, 15712, 17280, 17676, 19640, 22095, 23568, 25920, 26514, 29460, 31424, 35352, 39280, 39771, 44190, 47136, 51840, 53028, 58920, 62848, 66285, 70704, 78560, 79542, 88380, 94272, 106056, 117840, 132570, 141408, 157120, 159084, 176760, 188544, 198855, 212112, 235680, 265140, 282816, 314240, 318168, 353520, 397710, 424224, 471360, 530280, 565632, 636336, 707040, 795420, 848448, 942720, 1060560, 1272672, 1414080, 1590840, 1696896, 2121120, 2545344, 2828160, 3181680, 4242240, 5090688, 6363360, 8484480, 12726720, 25453440]

約数ペア:

[(1, 25453440), (2, 12726720), (3, 8484480), (4, 6363360), (5, 5090688), (6, 4242240), (8, 3181680), (9, 2828160), (10, 2545344), (12, 2121120), (15, 1696896), (16, 1590840), (18, 1414080), (20, 1272672), (24, 1060560), (27, 942720), (30, 848448), (32, 795420), (36, 707040), (40, 636336), (45, 565632), (48, 530280), (54, 471360), (60, 424224), (64, 397710), (72, 353520), (80, 318168), (81, 314240), (90, 282816), (96, 265140), (108, 235680), (120, 212112), (128, 198855), (135, 188544), (144, 176760), (160, 159084), (162, 157120), (180, 141408), (192, 132570), (216, 117840), (240, 106056), (270, 94272), (288, 88380), (320, 79542), (324, 78560), (360, 70704), (384, 66285), (405, 62848), (432, 58920), (480, 53028), (491, 51840), (540, 47136), (576, 44190), (640, 39771), (648, 39280), (720, 35352), (810, 31424), (864, 29460), (960, 26514), (982, 25920), (1080, 23568), (1152, 22095), (1296, 19640), (1440, 17676), (1473, 17280), (1620, 15712), (1728, 14730), (1920, 13257), (1964, 12960), (2160, 11784), (2455, 10368), (2592, 9820), (2880, 8838), (2946, 8640), (3240, 7856), (3456, 7365), (3928, 6480), (4320, 5892), (4419, 5760), (4910, 5184)]