255643360

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1$

素因数の和:289

約数の個数: 192

約数和(自身を含む): 735436800

約数和(自身を除く): 479793440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 37, 40, 56, 62, 70, 74, 80, 112, 124, 140, 148, 155, 160, 185, 199, 217, 224, 248, 259, 280, 296, 310, 370, 398, 434, 496, 518, 560, 592, 620, 740, 796, 868, 992, 995, 1036, 1085, 1120, 1147, 1184, 1240, 1295, 1393, 1480, 1592, 1736, 1990, 2072, 2170, 2294, 2480, 2590, 2786, 2960, 3184, 3472, 3980, 4144, 4340, 4588, 4960, 5180, 5572, 5735, 5920, 6169, 6368, 6944, 6965, 7363, 7960, 8029, 8288, 8680, 9176, 10360, 11144, 11470, 12338, 13930, 14726, 15920, 16058, 17360, 18352, 20720, 22288, 22940, 24676, 27860, 29452, 30845, 31840, 32116, 34720, 36704, 36815, 40145, 41440, 43183, 44576, 45880, 49352, 51541, 55720, 58904, 61690, 64232, 73630, 80290, 86366, 91760, 98704, 103082, 111440, 117808, 123380, 128464, 147260, 160580, 172732, 183520, 197408, 206164, 215915, 222880, 228253, 235616, 246760, 256928, 257705, 294520, 321160, 345464, 412328, 431830, 456506, 493520, 515410, 589040, 642320, 690928, 824656, 863660, 913012, 987040, 1030820, 1141265, 1178080, 1284640, 1381856, 1597771, 1649312, 1727320, 1826024, 2061640, 2282530, 3195542, 3454640, 3652048, 4123280, 4565060, 6391084, 6909280, 7304096, 7988855, 8246560, 9130120, 12782168, 15977710, 18260240, 25564336, 31955420, 36520480, 51128672, 63910840, 127821680, 255643360]

約数ペア:

[(1, 255643360), (2, 127821680), (4, 63910840), (5, 51128672), (7, 36520480), (8, 31955420), (10, 25564336), (14, 18260240), (16, 15977710), (20, 12782168), (28, 9130120), (31, 8246560), (32, 7988855), (35, 7304096), (37, 6909280), (40, 6391084), (56, 4565060), (62, 4123280), (70, 3652048), (74, 3454640), (80, 3195542), (112, 2282530), (124, 2061640), (140, 1826024), (148, 1727320), (155, 1649312), (160, 1597771), (185, 1381856), (199, 1284640), (217, 1178080), (224, 1141265), (248, 1030820), (259, 987040), (280, 913012), (296, 863660), (310, 824656), (370, 690928), (398, 642320), (434, 589040), (496, 515410), (518, 493520), (560, 456506), (592, 431830), (620, 412328), (740, 345464), (796, 321160), (868, 294520), (992, 257705), (995, 256928), (1036, 246760), (1085, 235616), (1120, 228253), (1147, 222880), (1184, 215915), (1240, 206164), (1295, 197408), (1393, 183520), (1480, 172732), (1592, 160580), (1736, 147260), (1990, 128464), (2072, 123380), (2170, 117808), (2294, 111440), (2480, 103082), (2590, 98704), (2786, 91760), (2960, 86366), (3184, 80290), (3472, 73630), (3980, 64232), (4144, 61690), (4340, 58904), (4588, 55720), (4960, 51541), (5180, 49352), (5572, 45880), (5735, 44576), (5920, 43183), (6169, 41440), (6368, 40145), (6944, 36815), (6965, 36704), (7363, 34720), (7960, 32116), (8029, 31840), (8288, 30845), (8680, 29452), (9176, 27860), (10360, 24676), (11144, 22940), (11470, 22288), (12338, 20720), (13930, 18352), (14726, 17360), (15920, 16058)]