254196720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1$

素因数の和:248

約数の個数: 240

約数和(自身を含む): 893692800

約数和(自身を除く): 639496080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 41, 45, 48, 60, 72, 79, 80, 82, 90, 109, 120, 123, 144, 158, 164, 180, 205, 218, 237, 240, 246, 316, 327, 328, 360, 369, 395, 410, 436, 474, 492, 545, 615, 632, 654, 656, 711, 720, 738, 790, 820, 872, 948, 981, 984, 1090, 1185, 1230, 1264, 1308, 1422, 1476, 1580, 1635, 1640, 1744, 1845, 1896, 1962, 1968, 2180, 2370, 2460, 2616, 2844, 2952, 3160, 3239, 3270, 3280, 3555, 3690, 3792, 3924, 4360, 4469, 4740, 4905, 4920, 5232, 5688, 5904, 6320, 6478, 6540, 7110, 7380, 7848, 8611, 8720, 8938, 9480, 9717, 9810, 9840, 11376, 12956, 13080, 13407, 14220, 14760, 15696, 16195, 17222, 17876, 18960, 19434, 19620, 22345, 25833, 25912, 26160, 26814, 28440, 29151, 29520, 32390, 34444, 35752, 38868, 39240, 40221, 43055, 44690, 48585, 51666, 51824, 53628, 56880, 58302, 64780, 67035, 68888, 71504, 77499, 77736, 78480, 80442, 86110, 89380, 97170, 103332, 107256, 116604, 129165, 129560, 134070, 137776, 145755, 154998, 155472, 160884, 172220, 178760, 194340, 201105, 206664, 214512, 233208, 258330, 259120, 268140, 291510, 309996, 321768, 344440, 353051, 357520, 387495, 388680, 402210, 413328, 466416, 516660, 536280, 583020, 619992, 643536, 688880, 706102, 774990, 777360, 804420, 1033320, 1059153, 1072560, 1166040, 1239984, 1412204, 1549980, 1608840, 1765255, 2066640, 2118306, 2332080, 2824408, 3099960, 3177459, 3217680, 3530510, 4236612, 5295765, 5648816, 6199920, 6354918, 7061020, 8473224, 10591530, 12709836, 14122040, 15887295, 16946448, 21183060, 25419672, 28244080, 31774590, 42366120, 50839344, 63549180, 84732240, 127098360, 254196720]

約数ペア:

[(1, 254196720), (2, 127098360), (3, 84732240), (4, 63549180), (5, 50839344), (6, 42366120), (8, 31774590), (9, 28244080), (10, 25419672), (12, 21183060), (15, 16946448), (16, 15887295), (18, 14122040), (20, 12709836), (24, 10591530), (30, 8473224), (36, 7061020), (40, 6354918), (41, 6199920), (45, 5648816), (48, 5295765), (60, 4236612), (72, 3530510), (79, 3217680), (80, 3177459), (82, 3099960), (90, 2824408), (109, 2332080), (120, 2118306), (123, 2066640), (144, 1765255), (158, 1608840), (164, 1549980), (180, 1412204), (205, 1239984), (218, 1166040), (237, 1072560), (240, 1059153), (246, 1033320), (316, 804420), (327, 777360), (328, 774990), (360, 706102), (369, 688880), (395, 643536), (410, 619992), (436, 583020), (474, 536280), (492, 516660), (545, 466416), (615, 413328), (632, 402210), (654, 388680), (656, 387495), (711, 357520), (720, 353051), (738, 344440), (790, 321768), (820, 309996), (872, 291510), (948, 268140), (981, 259120), (984, 258330), (1090, 233208), (1185, 214512), (1230, 206664), (1264, 201105), (1308, 194340), (1422, 178760), (1476, 172220), (1580, 160884), (1635, 155472), (1640, 154998), (1744, 145755), (1845, 137776), (1896, 134070), (1962, 129560), (1968, 129165), (2180, 116604), (2370, 107256), (2460, 103332), (2616, 97170), (2844, 89380), (2952, 86110), (3160, 80442), (3239, 78480), (3270, 77736), (3280, 77499), (3555, 71504), (3690, 68888), (3792, 67035), (3924, 64780), (4360, 58302), (4469, 56880), (4740, 53628), (4905, 51824), (4920, 51666), (5232, 48585), (5688, 44690), (5904, 43055), (6320, 40221), (6478, 39240), (6540, 38868), (7110, 35752), (7380, 34444), (7848, 32390), (8611, 29520), (8720, 29151), (8938, 28440), (9480, 26814), (9717, 26160), (9810, 25912), (9840, 25833), (11376, 22345), (12956, 19620), (13080, 19434), (13407, 18960), (14220, 17876), (14760, 17222), (15696, 16195)]