256456905120

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{1053817}}^1$

素因数の和:1053864

約数の個数: 216

約数和(自身を含む): 947658482316

約数和(自身を除く): 691201577196

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 96, 104, 117, 120, 130, 144, 156, 160, 169, 180, 195, 208, 234, 240, 260, 288, 312, 338, 360, 390, 416, 468, 480, 507, 520, 585, 624, 676, 720, 780, 845, 936, 1014, 1040, 1170, 1248, 1352, 1440, 1521, 1560, 1690, 1872, 2028, 2080, 2340, 2535, 2704, 3042, 3120, 3380, 3744, 4056, 4680, 5070, 5408, 6084, 6240, 6760, 7605, 8112, 9360, 10140, 12168, 13520, 15210, 16224, 18720, 20280, 24336, 27040, 30420, 40560, 48672, 60840, 81120, 121680, 243360, 1053817, 2107634, 3161451, 4215268, 5269085, 6322902, 8430536, 9484353, 10538170, 12645804, 13699621, 15807255, 16861072, 18968706, 21076340, 25291608, 27399242, 31614510, 33722144, 37937412, 41098863, 42152680, 47421765, 50583216, 54798484, 63229020, 68498105, 75874824, 82197726, 84305360, 94843530, 101166432, 109596968, 123296589, 126458040, 136996210, 151749648, 164395452, 168610720, 178095073, 189687060, 205494315, 219193936, 246593178, 252916080, 273992420, 303499296, 328790904, 356190146, 379374120, 410988630, 438387872, 493186356, 505832160, 534285219, 547984840, 616482945, 657581808, 712380292, 758748240, 821977260, 890475365, 986372712, 1068570438, 1095969680, 1232965890, 1315163616, 1424760584, 1517496480, 1602855657, 1643954520, 1780950730, 1972745424, 2137140876, 2191939360, 2465931780, 2671426095, 2849521168, 3205711314, 3287909040, 3561901460, 3945490848, 4274281752, 4931863560, 5342852190, 5699042336, 6411422628, 6575818080, 7123802920, 8014278285, 8548563504, 9863727120, 10685704380, 12822845256, 14247605840, 16028556570, 17097127008, 19727454240, 21371408760, 25645690512, 28495211680, 32057113140, 42742817520, 51291381024, 64114226280, 85485635040, 128228452560, 256456905120]

約数ペア:

[(1, 256456905120), (2, 128228452560), (3, 85485635040), (4, 64114226280), (5, 51291381024), (6, 42742817520), (8, 32057113140), (9, 28495211680), (10, 25645690512), (12, 21371408760), (13, 19727454240), (15, 17097127008), (16, 16028556570), (18, 14247605840), (20, 12822845256), (24, 10685704380), (26, 9863727120), (30, 8548563504), (32, 8014278285), (36, 7123802920), (39, 6575818080), (40, 6411422628), (45, 5699042336), (48, 5342852190), (52, 4931863560), (60, 4274281752), (65, 3945490848), (72, 3561901460), (78, 3287909040), (80, 3205711314), (90, 2849521168), (96, 2671426095), (104, 2465931780), (117, 2191939360), (120, 2137140876), (130, 1972745424), (144, 1780950730), (156, 1643954520), (160, 1602855657), (169, 1517496480), (180, 1424760584), (195, 1315163616), (208, 1232965890), (234, 1095969680), (240, 1068570438), (260, 986372712), (288, 890475365), (312, 821977260), (338, 758748240), (360, 712380292), (390, 657581808), (416, 616482945), (468, 547984840), (480, 534285219), (507, 505832160), (520, 493186356), (585, 438387872), (624, 410988630), (676, 379374120), (720, 356190146), (780, 328790904), (845, 303499296), (936, 273992420), (1014, 252916080), (1040, 246593178), (1170, 219193936), (1248, 205494315), (1352, 189687060), (1440, 178095073), (1521, 168610720), (1560, 164395452), (1690, 151749648), (1872, 136996210), (2028, 126458040), (2080, 123296589), (2340, 109596968), (2535, 101166432), (2704, 94843530), (3042, 84305360), (3120, 82197726), (3380, 75874824), (3744, 68498105), (4056, 63229020), (4680, 54798484), (5070, 50583216), (5408, 47421765), (6084, 42152680), (6240, 41098863), (6760, 37937412), (7605, 33722144), (8112, 31614510), (9360, 27399242), (10140, 25291608), (12168, 21076340), (13520, 18968706), (15210, 16861072), (16224, 15807255), (18720, 13699621), (20280, 12645804), (24336, 10538170), (27040, 9484353), (30420, 8430536), (40560, 6322902), (48672, 5269085), (60840, 4215268), (81120, 3161451), (121680, 2107634), (243360, 1053817)]