255277560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{421}}^1$

素因数の和:629

約数の個数: 128

約数和(自身を含む): 797276160

約数和(自身を除く): 541998600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 155, 163, 186, 248, 310, 326, 372, 421, 465, 489, 620, 652, 744, 815, 842, 930, 978, 1240, 1263, 1304, 1630, 1684, 1860, 1956, 2105, 2445, 2526, 3260, 3368, 3720, 3912, 4210, 4890, 5052, 5053, 6315, 6520, 8420, 9780, 10104, 10106, 12630, 13051, 15159, 16840, 19560, 20212, 25260, 25265, 26102, 30318, 39153, 40424, 50520, 50530, 52204, 60636, 65255, 68623, 75795, 78306, 101060, 104408, 121272, 130510, 137246, 151590, 156612, 195765, 202120, 205869, 261020, 274492, 303180, 313224, 343115, 391530, 411738, 522040, 548984, 606360, 686230, 783060, 823476, 1029345, 1372460, 1566120, 1646952, 2058690, 2127313, 2744920, 4117380, 4254626, 6381939, 8234760, 8509252, 10636565, 12763878, 17018504, 21273130, 25527756, 31909695, 42546260, 51055512, 63819390, 85092520, 127638780, 255277560]

約数ペア:

[(1, 255277560), (2, 127638780), (3, 85092520), (4, 63819390), (5, 51055512), (6, 42546260), (8, 31909695), (10, 25527756), (12, 21273130), (15, 17018504), (20, 12763878), (24, 10636565), (30, 8509252), (31, 8234760), (40, 6381939), (60, 4254626), (62, 4117380), (93, 2744920), (120, 2127313), (124, 2058690), (155, 1646952), (163, 1566120), (186, 1372460), (248, 1029345), (310, 823476), (326, 783060), (372, 686230), (421, 606360), (465, 548984), (489, 522040), (620, 411738), (652, 391530), (744, 343115), (815, 313224), (842, 303180), (930, 274492), (978, 261020), (1240, 205869), (1263, 202120), (1304, 195765), (1630, 156612), (1684, 151590), (1860, 137246), (1956, 130510), (2105, 121272), (2445, 104408), (2526, 101060), (3260, 78306), (3368, 75795), (3720, 68623), (3912, 65255), (4210, 60636), (4890, 52204), (5052, 50530), (5053, 50520), (6315, 40424), (6520, 39153), (8420, 30318), (9780, 26102), (10104, 25265), (10106, 25260), (12630, 20212), (13051, 19560), (15159, 16840)]