256303908

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1$

素因数の和:207

約数の個数: 216

約数和(自身を含む): 803362560

約数和(自身を除く): 547058652

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 31, 36, 42, 43, 49, 62, 63, 84, 86, 93, 98, 109, 124, 126, 129, 147, 172, 186, 196, 217, 218, 252, 258, 279, 294, 301, 327, 372, 387, 434, 436, 441, 516, 558, 588, 602, 651, 654, 763, 774, 868, 882, 903, 981, 1116, 1204, 1302, 1308, 1333, 1519, 1526, 1548, 1764, 1806, 1953, 1962, 2107, 2289, 2604, 2666, 2709, 3038, 3052, 3379, 3612, 3906, 3924, 3999, 4214, 4557, 4578, 4687, 5332, 5341, 5418, 6076, 6321, 6758, 6867, 7812, 7998, 8428, 9114, 9156, 9331, 9374, 10137, 10682, 10836, 11997, 12642, 13516, 13671, 13734, 14061, 15996, 16023, 18228, 18662, 18748, 18963, 20274, 21364, 23653, 23994, 25284, 27342, 27468, 27993, 28122, 30411, 32046, 32809, 37324, 37926, 40548, 42183, 47306, 47988, 48069, 54684, 55986, 56244, 60822, 64092, 65317, 65618, 70959, 75852, 83979, 84366, 94612, 96138, 98427, 111972, 121644, 130634, 131236, 141918, 145297, 165571, 167958, 168732, 192276, 195951, 196854, 212877, 229663, 261268, 283836, 290594, 295281, 331142, 335916, 391902, 393708, 425754, 435891, 459326, 496713, 581188, 587853, 590562, 662284, 688989, 783804, 851508, 871782, 918652, 993426, 1017079, 1175706, 1181124, 1307673, 1377978, 1490139, 1743564, 1986852, 2034158, 2066967, 2351412, 2615346, 2755956, 2980278, 3051237, 4068316, 4133934, 5230692, 5960556, 6102474, 7119553, 8267868, 9153711, 12204948, 14239106, 18307422, 21358659, 28478212, 36614844, 42717318, 64075977, 85434636, 128151954, 256303908]

約数ペア:

[(1, 256303908), (2, 128151954), (3, 85434636), (4, 64075977), (6, 42717318), (7, 36614844), (9, 28478212), (12, 21358659), (14, 18307422), (18, 14239106), (21, 12204948), (28, 9153711), (31, 8267868), (36, 7119553), (42, 6102474), (43, 5960556), (49, 5230692), (62, 4133934), (63, 4068316), (84, 3051237), (86, 2980278), (93, 2755956), (98, 2615346), (109, 2351412), (124, 2066967), (126, 2034158), (129, 1986852), (147, 1743564), (172, 1490139), (186, 1377978), (196, 1307673), (217, 1181124), (218, 1175706), (252, 1017079), (258, 993426), (279, 918652), (294, 871782), (301, 851508), (327, 783804), (372, 688989), (387, 662284), (434, 590562), (436, 587853), (441, 581188), (516, 496713), (558, 459326), (588, 435891), (602, 425754), (651, 393708), (654, 391902), (763, 335916), (774, 331142), (868, 295281), (882, 290594), (903, 283836), (981, 261268), (1116, 229663), (1204, 212877), (1302, 196854), (1308, 195951), (1333, 192276), (1519, 168732), (1526, 167958), (1548, 165571), (1764, 145297), (1806, 141918), (1953, 131236), (1962, 130634), (2107, 121644), (2289, 111972), (2604, 98427), (2666, 96138), (2709, 94612), (3038, 84366), (3052, 83979), (3379, 75852), (3612, 70959), (3906, 65618), (3924, 65317), (3999, 64092), (4214, 60822), (4557, 56244), (4578, 55986), (4687, 54684), (5332, 48069), (5341, 47988), (5418, 47306), (6076, 42183), (6321, 40548), (6758, 37926), (6867, 37324), (7812, 32809), (7998, 32046), (8428, 30411), (9114, 28122), (9156, 27993), (9331, 27468), (9374, 27342), (10137, 25284), (10682, 23994), (10836, 23653), (11997, 21364), (12642, 20274), (13516, 18963), (13671, 18748), (13734, 18662), (14061, 18228), (15996, 16023)]