2645584640

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{1093}}^1$

素因数の和:1206

約数の個数: 144

約数和(自身を含む): 6654740736

約数和(自身を除く): 4009156096

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 61, 62, 64, 80, 122, 124, 128, 155, 160, 244, 248, 256, 305, 310, 320, 488, 496, 610, 620, 640, 976, 992, 1093, 1220, 1240, 1280, 1891, 1952, 1984, 2186, 2440, 2480, 3782, 3904, 3968, 4372, 4880, 4960, 5465, 7564, 7808, 7936, 8744, 9455, 9760, 9920, 10930, 15128, 15616, 17488, 18910, 19520, 19840, 21860, 30256, 33883, 34976, 37820, 39040, 39680, 43720, 60512, 66673, 67766, 69952, 75640, 78080, 87440, 121024, 133346, 135532, 139904, 151280, 169415, 174880, 242048, 266692, 271064, 279808, 302560, 333365, 338830, 349760, 484096, 533384, 542128, 605120, 666730, 677660, 699520, 1066768, 1084256, 1210240, 1333460, 1355320, 1399040, 2066863, 2133536, 2168512, 2420480, 2666920, 2710640, 4133726, 4267072, 4337024, 5333840, 5421280, 8267452, 8534144, 8674048, 10334315, 10667680, 10842560, 16534904, 17068288, 20668630, 21335360, 21685120, 33069808, 41337260, 42670720, 43370240, 66139616, 82674520, 85341440, 132279232, 165349040, 264558464, 330698080, 529116928, 661396160, 1322792320, 2645584640]

約数ペア:

[(1, 2645584640), (2, 1322792320), (4, 661396160), (5, 529116928), (8, 330698080), (10, 264558464), (16, 165349040), (20, 132279232), (31, 85341440), (32, 82674520), (40, 66139616), (61, 43370240), (62, 42670720), (64, 41337260), (80, 33069808), (122, 21685120), (124, 21335360), (128, 20668630), (155, 17068288), (160, 16534904), (244, 10842560), (248, 10667680), (256, 10334315), (305, 8674048), (310, 8534144), (320, 8267452), (488, 5421280), (496, 5333840), (610, 4337024), (620, 4267072), (640, 4133726), (976, 2710640), (992, 2666920), (1093, 2420480), (1220, 2168512), (1240, 2133536), (1280, 2066863), (1891, 1399040), (1952, 1355320), (1984, 1333460), (2186, 1210240), (2440, 1084256), (2480, 1066768), (3782, 699520), (3904, 677660), (3968, 666730), (4372, 605120), (4880, 542128), (4960, 533384), (5465, 484096), (7564, 349760), (7808, 338830), (7936, 333365), (8744, 302560), (9455, 279808), (9760, 271064), (9920, 266692), (10930, 242048), (15128, 174880), (15616, 169415), (17488, 151280), (18910, 139904), (19520, 135532), (19840, 133346), (21860, 121024), (30256, 87440), (33883, 78080), (34976, 75640), (37820, 69952), (39040, 67766), (39680, 66673), (43720, 60512)]