256283460

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{127}}^1$

素因数の和:283

約数の個数: 192

約数和(自身を含む): 833495040

約数和(自身を除く): 577211580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 37, 45, 54, 60, 74, 90, 101, 108, 111, 127, 135, 148, 180, 185, 202, 222, 254, 270, 303, 333, 370, 381, 404, 444, 505, 508, 540, 555, 606, 635, 666, 740, 762, 909, 999, 1010, 1110, 1143, 1212, 1270, 1332, 1515, 1524, 1665, 1818, 1905, 1998, 2020, 2220, 2286, 2540, 2727, 3030, 3330, 3429, 3636, 3737, 3810, 3996, 4545, 4572, 4699, 4995, 5454, 5715, 6060, 6660, 6858, 7474, 7620, 9090, 9398, 9990, 10908, 11211, 11430, 12827, 13635, 13716, 14097, 14948, 17145, 18180, 18685, 18796, 19980, 22422, 22860, 23495, 25654, 27270, 28194, 33633, 34290, 37370, 38481, 42291, 44844, 46990, 51308, 54540, 56055, 56388, 64135, 67266, 68580, 70485, 74740, 76962, 84582, 93980, 100899, 112110, 115443, 126873, 128270, 134532, 140970, 153924, 168165, 169164, 192405, 201798, 211455, 224220, 230886, 253746, 256540, 281940, 336330, 346329, 384810, 403596, 422910, 461772, 474599, 504495, 507492, 577215, 634365, 672660, 692658, 769620, 845820, 949198, 1008990, 1154430, 1268730, 1385316, 1423797, 1731645, 1898396, 2017980, 2308860, 2372995, 2537460, 2847594, 3463290, 4271391, 4745990, 5695188, 6926580, 7118985, 8542782, 9491980, 12814173, 14237970, 17085564, 21356955, 25628346, 28475940, 42713910, 51256692, 64070865, 85427820, 128141730, 256283460]

約数ペア:

[(1, 256283460), (2, 128141730), (3, 85427820), (4, 64070865), (5, 51256692), (6, 42713910), (9, 28475940), (10, 25628346), (12, 21356955), (15, 17085564), (18, 14237970), (20, 12814173), (27, 9491980), (30, 8542782), (36, 7118985), (37, 6926580), (45, 5695188), (54, 4745990), (60, 4271391), (74, 3463290), (90, 2847594), (101, 2537460), (108, 2372995), (111, 2308860), (127, 2017980), (135, 1898396), (148, 1731645), (180, 1423797), (185, 1385316), (202, 1268730), (222, 1154430), (254, 1008990), (270, 949198), (303, 845820), (333, 769620), (370, 692658), (381, 672660), (404, 634365), (444, 577215), (505, 507492), (508, 504495), (540, 474599), (555, 461772), (606, 422910), (635, 403596), (666, 384810), (740, 346329), (762, 336330), (909, 281940), (999, 256540), (1010, 253746), (1110, 230886), (1143, 224220), (1212, 211455), (1270, 201798), (1332, 192405), (1515, 169164), (1524, 168165), (1665, 153924), (1818, 140970), (1905, 134532), (1998, 128270), (2020, 126873), (2220, 115443), (2286, 112110), (2540, 100899), (2727, 93980), (3030, 84582), (3330, 76962), (3429, 74740), (3636, 70485), (3737, 68580), (3810, 67266), (3996, 64135), (4545, 56388), (4572, 56055), (4699, 54540), (4995, 51308), (5454, 46990), (5715, 44844), (6060, 42291), (6660, 38481), (6858, 37370), (7474, 34290), (7620, 33633), (9090, 28194), (9398, 27270), (9990, 25654), (10908, 23495), (11211, 22860), (11430, 22422), (12827, 19980), (13635, 18796), (13716, 18685), (14097, 18180), (14948, 17145)]