257513040

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{4111}}^1$

素因数の和:4162

約数の個数: 160

約数和(自身を含む): 917798400

約数和(自身を除く): 660285360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 29, 30, 36, 40, 45, 48, 54, 58, 60, 72, 80, 87, 90, 108, 116, 120, 135, 144, 145, 174, 180, 216, 232, 240, 261, 270, 290, 348, 360, 432, 435, 464, 522, 540, 580, 696, 720, 783, 870, 1044, 1080, 1160, 1305, 1392, 1566, 1740, 2088, 2160, 2320, 2610, 3132, 3480, 3915, 4111, 4176, 5220, 6264, 6960, 7830, 8222, 10440, 12333, 12528, 15660, 16444, 20555, 20880, 24666, 31320, 32888, 36999, 41110, 49332, 61665, 62640, 65776, 73998, 82220, 98664, 110997, 119219, 123330, 147996, 164440, 184995, 197328, 221994, 238438, 246660, 295992, 328880, 357657, 369990, 443988, 476876, 493320, 554985, 591984, 596095, 715314, 739980, 887976, 953752, 986640, 1072971, 1109970, 1192190, 1430628, 1479960, 1775952, 1788285, 1907504, 2145942, 2219940, 2384380, 2861256, 2959920, 3218913, 3576570, 4291884, 4439880, 4768760, 5364855, 5722512, 6437826, 7153140, 8583768, 8879760, 9537520, 10729710, 12875652, 14306280, 16094565, 17167536, 21459420, 25751304, 28612560, 32189130, 42918840, 51502608, 64378260, 85837680, 128756520, 257513040]

約数ペア:

[(1, 257513040), (2, 128756520), (3, 85837680), (4, 64378260), (5, 51502608), (6, 42918840), (8, 32189130), (9, 28612560), (10, 25751304), (12, 21459420), (15, 17167536), (16, 16094565), (18, 14306280), (20, 12875652), (24, 10729710), (27, 9537520), (29, 8879760), (30, 8583768), (36, 7153140), (40, 6437826), (45, 5722512), (48, 5364855), (54, 4768760), (58, 4439880), (60, 4291884), (72, 3576570), (80, 3218913), (87, 2959920), (90, 2861256), (108, 2384380), (116, 2219940), (120, 2145942), (135, 1907504), (144, 1788285), (145, 1775952), (174, 1479960), (180, 1430628), (216, 1192190), (232, 1109970), (240, 1072971), (261, 986640), (270, 953752), (290, 887976), (348, 739980), (360, 715314), (432, 596095), (435, 591984), (464, 554985), (522, 493320), (540, 476876), (580, 443988), (696, 369990), (720, 357657), (783, 328880), (870, 295992), (1044, 246660), (1080, 238438), (1160, 221994), (1305, 197328), (1392, 184995), (1566, 164440), (1740, 147996), (2088, 123330), (2160, 119219), (2320, 110997), (2610, 98664), (3132, 82220), (3480, 73998), (3915, 65776), (4111, 62640), (4176, 61665), (5220, 49332), (6264, 41110), (6960, 36999), (7830, 32888), (8222, 31320), (10440, 24666), (12333, 20880), (12528, 20555), (15660, 16444)]