256049640

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{3079}}^1$

素因数の和:3117

約数の個数: 256

約数和(自身を含む): 1064448000

約数和(自身を除く): 808398360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 24, 27, 28, 30, 33, 35, 36, 40, 42, 44, 45, 54, 55, 56, 60, 63, 66, 70, 72, 77, 84, 88, 90, 99, 105, 108, 110, 120, 126, 132, 135, 140, 154, 165, 168, 180, 189, 198, 210, 216, 220, 231, 252, 264, 270, 280, 297, 308, 315, 330, 360, 378, 385, 396, 420, 440, 462, 495, 504, 540, 594, 616, 630, 660, 693, 756, 770, 792, 840, 924, 945, 990, 1080, 1155, 1188, 1260, 1320, 1386, 1485, 1512, 1540, 1848, 1890, 1980, 2079, 2310, 2376, 2520, 2772, 2970, 3079, 3080, 3465, 3780, 3960, 4158, 4620, 5544, 5940, 6158, 6930, 7560, 8316, 9237, 9240, 10395, 11880, 12316, 13860, 15395, 16632, 18474, 20790, 21553, 24632, 27711, 27720, 30790, 33869, 36948, 41580, 43106, 46185, 55422, 61580, 64659, 67738, 73896, 83133, 83160, 86212, 92370, 101607, 107765, 110844, 123160, 129318, 135476, 138555, 166266, 169345, 172424, 184740, 193977, 203214, 215530, 221688, 237083, 258636, 270952, 277110, 304821, 323295, 332532, 338690, 369480, 387954, 406428, 415665, 431060, 474166, 508035, 517272, 554220, 581931, 609642, 646590, 665064, 677380, 711249, 775908, 812856, 831330, 862120, 914463, 948332, 969885, 1016070, 1108440, 1163862, 1185415, 1219284, 1293180, 1354760, 1422498, 1524105, 1551816, 1662660, 1828926, 1896664, 1939770, 2032140, 2133747, 2327724, 2370830, 2438568, 2586360, 2844996, 2909655, 3048210, 3325320, 3556245, 3657852, 3879540, 4064280, 4267494, 4572315, 4655448, 4741660, 5689992, 5819310, 6096420, 6401241, 7112490, 7315704, 7759080, 8534988, 9144630, 9483320, 10668735, 11638620, 12192840, 12802482, 14224980, 17069976, 18289260, 21337470, 23277240, 25604964, 28449960, 32006205, 36578520, 42674940, 51209928, 64012410, 85349880, 128024820, 256049640]

約数ペア:

[(1, 256049640), (2, 128024820), (3, 85349880), (4, 64012410), (5, 51209928), (6, 42674940), (7, 36578520), (8, 32006205), (9, 28449960), (10, 25604964), (11, 23277240), (12, 21337470), (14, 18289260), (15, 17069976), (18, 14224980), (20, 12802482), (21, 12192840), (22, 11638620), (24, 10668735), (27, 9483320), (28, 9144630), (30, 8534988), (33, 7759080), (35, 7315704), (36, 7112490), (40, 6401241), (42, 6096420), (44, 5819310), (45, 5689992), (54, 4741660), (55, 4655448), (56, 4572315), (60, 4267494), (63, 4064280), (66, 3879540), (70, 3657852), (72, 3556245), (77, 3325320), (84, 3048210), (88, 2909655), (90, 2844996), (99, 2586360), (105, 2438568), (108, 2370830), (110, 2327724), (120, 2133747), (126, 2032140), (132, 1939770), (135, 1896664), (140, 1828926), (154, 1662660), (165, 1551816), (168, 1524105), (180, 1422498), (189, 1354760), (198, 1293180), (210, 1219284), (216, 1185415), (220, 1163862), (231, 1108440), (252, 1016070), (264, 969885), (270, 948332), (280, 914463), (297, 862120), (308, 831330), (315, 812856), (330, 775908), (360, 711249), (378, 677380), (385, 665064), (396, 646590), (420, 609642), (440, 581931), (462, 554220), (495, 517272), (504, 508035), (540, 474166), (594, 431060), (616, 415665), (630, 406428), (660, 387954), (693, 369480), (756, 338690), (770, 332532), (792, 323295), (840, 304821), (924, 277110), (945, 270952), (990, 258636), (1080, 237083), (1155, 221688), (1188, 215530), (1260, 203214), (1320, 193977), (1386, 184740), (1485, 172424), (1512, 169345), (1540, 166266), (1848, 138555), (1890, 135476), (1980, 129318), (2079, 123160), (2310, 110844), (2376, 107765), (2520, 101607), (2772, 92370), (2970, 86212), (3079, 83160), (3080, 83133), (3465, 73896), (3780, 67738), (3960, 64659), (4158, 61580), (4620, 55422), (5544, 46185), (5940, 43106), (6158, 41580), (6930, 36948), (7560, 33869), (8316, 30790), (9237, 27720), (9240, 27711), (10395, 24632), (11880, 21553), (12316, 20790), (13860, 18474), (15395, 16632)]