251706240

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{491}}^1$

素因数の和:605

約数の個数: 192

約数和(自身を含む): 880729200

約数和(自身を除く): 629022960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 89, 90, 96, 120, 128, 144, 160, 178, 180, 192, 240, 267, 288, 320, 356, 360, 384, 445, 480, 491, 534, 576, 640, 712, 720, 801, 890, 960, 982, 1068, 1152, 1335, 1424, 1440, 1473, 1602, 1780, 1920, 1964, 2136, 2455, 2670, 2848, 2880, 2946, 3204, 3560, 3928, 4005, 4272, 4419, 4910, 5340, 5696, 5760, 5892, 6408, 7120, 7365, 7856, 8010, 8544, 8838, 9820, 10680, 11392, 11784, 12816, 14240, 14730, 15712, 16020, 17088, 17676, 19640, 21360, 22095, 23568, 25632, 28480, 29460, 31424, 32040, 34176, 35352, 39280, 42720, 43699, 44190, 47136, 51264, 56960, 58920, 62848, 64080, 70704, 78560, 85440, 87398, 88380, 94272, 102528, 117840, 128160, 131097, 141408, 157120, 170880, 174796, 176760, 188544, 218495, 235680, 256320, 262194, 282816, 314240, 349592, 353520, 393291, 436990, 471360, 512640, 524388, 565632, 655485, 699184, 707040, 786582, 873980, 942720, 1048776, 1310970, 1398368, 1414080, 1573164, 1747960, 1966455, 2097552, 2621940, 2796736, 2828160, 3146328, 3495920, 3932910, 4195104, 5243880, 5593472, 6292656, 6991840, 7865820, 8390208, 10487760, 12585312, 13983680, 15731640, 16780416, 20975520, 25170624, 27967360, 31463280, 41951040, 50341248, 62926560, 83902080, 125853120, 251706240]

約数ペア:

[(1, 251706240), (2, 125853120), (3, 83902080), (4, 62926560), (5, 50341248), (6, 41951040), (8, 31463280), (9, 27967360), (10, 25170624), (12, 20975520), (15, 16780416), (16, 15731640), (18, 13983680), (20, 12585312), (24, 10487760), (30, 8390208), (32, 7865820), (36, 6991840), (40, 6292656), (45, 5593472), (48, 5243880), (60, 4195104), (64, 3932910), (72, 3495920), (80, 3146328), (89, 2828160), (90, 2796736), (96, 2621940), (120, 2097552), (128, 1966455), (144, 1747960), (160, 1573164), (178, 1414080), (180, 1398368), (192, 1310970), (240, 1048776), (267, 942720), (288, 873980), (320, 786582), (356, 707040), (360, 699184), (384, 655485), (445, 565632), (480, 524388), (491, 512640), (534, 471360), (576, 436990), (640, 393291), (712, 353520), (720, 349592), (801, 314240), (890, 282816), (960, 262194), (982, 256320), (1068, 235680), (1152, 218495), (1335, 188544), (1424, 176760), (1440, 174796), (1473, 170880), (1602, 157120), (1780, 141408), (1920, 131097), (1964, 128160), (2136, 117840), (2455, 102528), (2670, 94272), (2848, 88380), (2880, 87398), (2946, 85440), (3204, 78560), (3560, 70704), (3928, 64080), (4005, 62848), (4272, 58920), (4419, 56960), (4910, 51264), (5340, 47136), (5696, 44190), (5760, 43699), (5892, 42720), (6408, 39280), (7120, 35352), (7365, 34176), (7856, 32040), (8010, 31424), (8544, 29460), (8838, 28480), (9820, 25632), (10680, 23568), (11392, 22095), (11784, 21360), (12816, 19640), (14240, 17676), (14730, 17088), (15712, 16020)]