1900554840

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{431}}^1\times {\mathrm{1361}}^1$

素因数の和:1815

約数の個数: 160

約数和(自身を含む): 6407501760

約数和(自身を除く): 4506946920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 270, 324, 360, 405, 431, 540, 648, 810, 862, 1080, 1293, 1361, 1620, 1724, 2155, 2586, 2722, 3240, 3448, 3879, 4083, 4310, 5172, 5444, 6465, 6805, 7758, 8166, 8620, 10344, 10888, 11637, 12249, 12930, 13610, 15516, 16332, 17240, 19395, 20415, 23274, 24498, 25860, 27220, 31032, 32664, 34911, 36747, 38790, 40830, 46548, 48996, 51720, 54440, 58185, 61245, 69822, 73494, 77580, 81660, 93096, 97992, 110241, 116370, 122490, 139644, 146988, 155160, 163320, 174555, 183735, 220482, 232740, 244980, 279288, 293976, 349110, 367470, 440964, 465480, 489960, 551205, 586591, 698220, 734940, 881928, 1102410, 1173182, 1396440, 1469880, 1759773, 2204820, 2346364, 2932955, 3519546, 4409640, 4692728, 5279319, 5865910, 7039092, 8798865, 10558638, 11731820, 14078184, 15837957, 17597730, 21117276, 23463640, 26396595, 31675914, 35195460, 42234552, 47513871, 52793190, 63351828, 70390920, 79189785, 95027742, 105586380, 126703656, 158379570, 190055484, 211172760, 237569355, 316759140, 380110968, 475138710, 633518280, 950277420, 1900554840]

約数ペア:

[(1, 1900554840), (2, 950277420), (3, 633518280), (4, 475138710), (5, 380110968), (6, 316759140), (8, 237569355), (9, 211172760), (10, 190055484), (12, 158379570), (15, 126703656), (18, 105586380), (20, 95027742), (24, 79189785), (27, 70390920), (30, 63351828), (36, 52793190), (40, 47513871), (45, 42234552), (54, 35195460), (60, 31675914), (72, 26396595), (81, 23463640), (90, 21117276), (108, 17597730), (120, 15837957), (135, 14078184), (162, 11731820), (180, 10558638), (216, 8798865), (270, 7039092), (324, 5865910), (360, 5279319), (405, 4692728), (431, 4409640), (540, 3519546), (648, 2932955), (810, 2346364), (862, 2204820), (1080, 1759773), (1293, 1469880), (1361, 1396440), (1620, 1173182), (1724, 1102410), (2155, 881928), (2586, 734940), (2722, 698220), (3240, 586591), (3448, 551205), (3879, 489960), (4083, 465480), (4310, 440964), (5172, 367470), (5444, 349110), (6465, 293976), (6805, 279288), (7758, 244980), (8166, 232740), (8620, 220482), (10344, 183735), (10888, 174555), (11637, 163320), (12249, 155160), (12930, 146988), (13610, 139644), (15516, 122490), (16332, 116370), (17240, 110241), (19395, 97992), (20415, 93096), (23274, 81660), (24498, 77580), (25860, 73494), (27220, 69822), (31032, 61245), (32664, 58185), (34911, 54440), (36747, 51720), (38790, 48996), (40830, 46548)]