251591760

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{49919}}^1$

素因数の和:49945

約数の個数: 120

約数和(自身を含む): 965652480

約数和(自身を除く): 714060720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 5040, 49919, 99838, 149757, 199676, 249595, 299514, 349433, 399352, 449271, 499190, 599028, 698866, 748785, 798704, 898542, 998380, 1048299, 1198056, 1397732, 1497570, 1747165, 1797084, 1996760, 2096598, 2246355, 2396112, 2795464, 2995140, 3144897, 3494330, 3594168, 3993520, 4193196, 4492710, 5241495, 5590928, 5990280, 6289794, 6988660, 7188336, 8386392, 8985420, 10482990, 11980560, 12579588, 13977320, 15724485, 16772784, 17970840, 20965980, 25159176, 27954640, 31448970, 35941680, 41931960, 50318352, 62897940, 83863920, 125795880, 251591760]

約数ペア:

[(1, 251591760), (2, 125795880), (3, 83863920), (4, 62897940), (5, 50318352), (6, 41931960), (7, 35941680), (8, 31448970), (9, 27954640), (10, 25159176), (12, 20965980), (14, 17970840), (15, 16772784), (16, 15724485), (18, 13977320), (20, 12579588), (21, 11980560), (24, 10482990), (28, 8985420), (30, 8386392), (35, 7188336), (36, 6988660), (40, 6289794), (42, 5990280), (45, 5590928), (48, 5241495), (56, 4492710), (60, 4193196), (63, 3993520), (70, 3594168), (72, 3494330), (80, 3144897), (84, 2995140), (90, 2795464), (105, 2396112), (112, 2246355), (120, 2096598), (126, 1996760), (140, 1797084), (144, 1747165), (168, 1497570), (180, 1397732), (210, 1198056), (240, 1048299), (252, 998380), (280, 898542), (315, 798704), (336, 748785), (360, 698866), (420, 599028), (504, 499190), (560, 449271), (630, 399352), (720, 349433), (840, 299514), (1008, 249595), (1260, 199676), (1680, 149757), (2520, 99838), (5040, 49919)]