2561439360

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{823}}^1\times {\mathrm{1621}}^1$

素因数の和:2466

約数の個数: 128

約数和(自身を含む): 8179551360

約数和(自身を除く): 5618112000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 384, 480, 640, 823, 960, 1621, 1646, 1920, 2469, 3242, 3292, 4115, 4863, 4938, 6484, 6584, 8105, 8230, 9726, 9876, 12345, 12968, 13168, 16210, 16460, 19452, 19752, 24315, 24690, 25936, 26336, 32420, 32920, 38904, 39504, 48630, 49380, 51872, 52672, 64840, 65840, 77808, 79008, 97260, 98760, 103744, 105344, 129680, 131680, 155616, 158016, 194520, 197520, 207488, 259360, 263360, 311232, 316032, 389040, 395040, 518720, 526720, 622464, 778080, 790080, 1037440, 1334083, 1556160, 1580160, 2668166, 3112320, 4002249, 5336332, 6670415, 8004498, 10672664, 13340830, 16008996, 20011245, 21345328, 26681660, 32017992, 40022490, 42690656, 53363320, 64035984, 80044980, 85381312, 106726640, 128071968, 160089960, 170762624, 213453280, 256143936, 320179920, 426906560, 512287872, 640359840, 853813120, 1280719680, 2561439360]

約数ペア:

[(1, 2561439360), (2, 1280719680), (3, 853813120), (4, 640359840), (5, 512287872), (6, 426906560), (8, 320179920), (10, 256143936), (12, 213453280), (15, 170762624), (16, 160089960), (20, 128071968), (24, 106726640), (30, 85381312), (32, 80044980), (40, 64035984), (48, 53363320), (60, 42690656), (64, 40022490), (80, 32017992), (96, 26681660), (120, 21345328), (128, 20011245), (160, 16008996), (192, 13340830), (240, 10672664), (320, 8004498), (384, 6670415), (480, 5336332), (640, 4002249), (823, 3112320), (960, 2668166), (1621, 1580160), (1646, 1556160), (1920, 1334083), (2469, 1037440), (3242, 790080), (3292, 778080), (4115, 622464), (4863, 526720), (4938, 518720), (6484, 395040), (6584, 389040), (8105, 316032), (8230, 311232), (9726, 263360), (9876, 259360), (12345, 207488), (12968, 197520), (13168, 194520), (16210, 158016), (16460, 155616), (19452, 131680), (19752, 129680), (24315, 105344), (24690, 103744), (25936, 98760), (26336, 97260), (32420, 79008), (32920, 77808), (38904, 65840), (39504, 64840), (48630, 52672), (49380, 51872)]