251718720

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{11}}^3\times {\mathrm{197}}^1$

素因数の和:250

約数の個数: 224

約数和(自身を含む): 883529856

約数和(自身を除く): 631811136

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 64, 66, 80, 88, 96, 110, 120, 121, 132, 160, 165, 176, 192, 197, 220, 240, 242, 264, 320, 330, 352, 363, 394, 440, 480, 484, 528, 591, 605, 660, 704, 726, 788, 880, 960, 968, 985, 1056, 1182, 1210, 1320, 1331, 1452, 1576, 1760, 1815, 1936, 1970, 2112, 2167, 2364, 2420, 2640, 2662, 2904, 2955, 3152, 3520, 3630, 3872, 3940, 3993, 4334, 4728, 4840, 5280, 5324, 5808, 5910, 6304, 6501, 6655, 7260, 7744, 7880, 7986, 8668, 9456, 9680, 10560, 10648, 10835, 11616, 11820, 12608, 13002, 13310, 14520, 15760, 15972, 17336, 18912, 19360, 19965, 21296, 21670, 23232, 23640, 23837, 26004, 26620, 29040, 31520, 31944, 32505, 34672, 37824, 38720, 39930, 42592, 43340, 47280, 47674, 52008, 53240, 58080, 63040, 63888, 65010, 69344, 71511, 79860, 85184, 86680, 94560, 95348, 104016, 106480, 116160, 119185, 127776, 130020, 138688, 143022, 159720, 173360, 189120, 190696, 208032, 212960, 238370, 255552, 260040, 262207, 286044, 319440, 346720, 357555, 381392, 416064, 425920, 476740, 520080, 524414, 572088, 638880, 693440, 715110, 762784, 786621, 953480, 1040160, 1048828, 1144176, 1277760, 1311035, 1430220, 1525568, 1573242, 1906960, 2080320, 2097656, 2288352, 2622070, 2860440, 3146484, 3813920, 3933105, 4195312, 4576704, 5244140, 5720880, 6292968, 7627840, 7866210, 8390624, 10488280, 11441760, 12585936, 15732420, 16781248, 20976560, 22883520, 25171872, 31464840, 41953120, 50343744, 62929680, 83906240, 125859360, 251718720]

約数ペア:

[(1, 251718720), (2, 125859360), (3, 83906240), (4, 62929680), (5, 50343744), (6, 41953120), (8, 31464840), (10, 25171872), (11, 22883520), (12, 20976560), (15, 16781248), (16, 15732420), (20, 12585936), (22, 11441760), (24, 10488280), (30, 8390624), (32, 7866210), (33, 7627840), (40, 6292968), (44, 5720880), (48, 5244140), (55, 4576704), (60, 4195312), (64, 3933105), (66, 3813920), (80, 3146484), (88, 2860440), (96, 2622070), (110, 2288352), (120, 2097656), (121, 2080320), (132, 1906960), (160, 1573242), (165, 1525568), (176, 1430220), (192, 1311035), (197, 1277760), (220, 1144176), (240, 1048828), (242, 1040160), (264, 953480), (320, 786621), (330, 762784), (352, 715110), (363, 693440), (394, 638880), (440, 572088), (480, 524414), (484, 520080), (528, 476740), (591, 425920), (605, 416064), (660, 381392), (704, 357555), (726, 346720), (788, 319440), (880, 286044), (960, 262207), (968, 260040), (985, 255552), (1056, 238370), (1182, 212960), (1210, 208032), (1320, 190696), (1331, 189120), (1452, 173360), (1576, 159720), (1760, 143022), (1815, 138688), (1936, 130020), (1970, 127776), (2112, 119185), (2167, 116160), (2364, 106480), (2420, 104016), (2640, 95348), (2662, 94560), (2904, 86680), (2955, 85184), (3152, 79860), (3520, 71511), (3630, 69344), (3872, 65010), (3940, 63888), (3993, 63040), (4334, 58080), (4728, 53240), (4840, 52008), (5280, 47674), (5324, 47280), (5808, 43340), (5910, 42592), (6304, 39930), (6501, 38720), (6655, 37824), (7260, 34672), (7744, 32505), (7880, 31944), (7986, 31520), (8668, 29040), (9456, 26620), (9680, 26004), (10560, 23837), (10648, 23640), (10835, 23232), (11616, 21670), (11820, 21296), (12608, 19965), (13002, 19360), (13310, 18912), (14520, 17336), (15760, 15972)]