56821380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{251}}^1$

素因数の和:295

約数の個数: 192

約数和(自身を含む): 203212800

約数和(自身を除く): 146391420

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 28, 30, 33, 35, 42, 44, 49, 55, 60, 66, 70, 77, 84, 98, 105, 110, 132, 140, 147, 154, 165, 196, 210, 220, 231, 245, 251, 294, 308, 330, 343, 385, 420, 462, 490, 502, 539, 588, 660, 686, 735, 753, 770, 924, 980, 1004, 1029, 1078, 1155, 1255, 1372, 1470, 1506, 1540, 1617, 1715, 1757, 2058, 2156, 2310, 2510, 2695, 2761, 2940, 3012, 3234, 3430, 3514, 3765, 3773, 4116, 4620, 5020, 5145, 5271, 5390, 5522, 6468, 6860, 7028, 7530, 7546, 8085, 8283, 8785, 10290, 10542, 10780, 11044, 11319, 12299, 13805, 15060, 15092, 16170, 16566, 17570, 18865, 19327, 20580, 21084, 22638, 24598, 26355, 27610, 32340, 33132, 35140, 36897, 37730, 38654, 41415, 45276, 49196, 52710, 55220, 56595, 57981, 61495, 73794, 75460, 77308, 82830, 86093, 96635, 105420, 113190, 115962, 122990, 135289, 147588, 165660, 172186, 184485, 193270, 226380, 231924, 245980, 258279, 270578, 289905, 344372, 368970, 386540, 405867, 430465, 516558, 541156, 579810, 676445, 737940, 811734, 860930, 947023, 1033116, 1159620, 1291395, 1352890, 1623468, 1721860, 1894046, 2029335, 2582790, 2705780, 2841069, 3788092, 4058670, 4735115, 5165580, 5682138, 8117340, 9470230, 11364276, 14205345, 18940460, 28410690, 56821380]

約数ペア:

[(1, 56821380), (2, 28410690), (3, 18940460), (4, 14205345), (5, 11364276), (6, 9470230), (7, 8117340), (10, 5682138), (11, 5165580), (12, 4735115), (14, 4058670), (15, 3788092), (20, 2841069), (21, 2705780), (22, 2582790), (28, 2029335), (30, 1894046), (33, 1721860), (35, 1623468), (42, 1352890), (44, 1291395), (49, 1159620), (55, 1033116), (60, 947023), (66, 860930), (70, 811734), (77, 737940), (84, 676445), (98, 579810), (105, 541156), (110, 516558), (132, 430465), (140, 405867), (147, 386540), (154, 368970), (165, 344372), (196, 289905), (210, 270578), (220, 258279), (231, 245980), (245, 231924), (251, 226380), (294, 193270), (308, 184485), (330, 172186), (343, 165660), (385, 147588), (420, 135289), (462, 122990), (490, 115962), (502, 113190), (539, 105420), (588, 96635), (660, 86093), (686, 82830), (735, 77308), (753, 75460), (770, 73794), (924, 61495), (980, 57981), (1004, 56595), (1029, 55220), (1078, 52710), (1155, 49196), (1255, 45276), (1372, 41415), (1470, 38654), (1506, 37730), (1540, 36897), (1617, 35140), (1715, 33132), (1757, 32340), (2058, 27610), (2156, 26355), (2310, 24598), (2510, 22638), (2695, 21084), (2761, 20580), (2940, 19327), (3012, 18865), (3234, 17570), (3430, 16566), (3514, 16170), (3765, 15092), (3773, 15060), (4116, 13805), (4620, 12299), (5020, 11319), (5145, 11044), (5271, 10780), (5390, 10542), (5522, 10290), (6468, 8785), (6860, 8283), (7028, 8085), (7530, 7546)]