505443720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{173}}^1\times {\mathrm{251}}^1$

素因数の和:535

約数の個数: 128

約数和(自身を含む): 1546957440

約数和(自身を除く): 1041513720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 97, 120, 173, 194, 251, 291, 346, 388, 485, 502, 519, 582, 692, 753, 776, 865, 970, 1004, 1038, 1164, 1255, 1384, 1455, 1506, 1730, 1940, 2008, 2076, 2328, 2510, 2595, 2910, 3012, 3460, 3765, 3880, 4152, 5020, 5190, 5820, 6024, 6920, 7530, 10040, 10380, 11640, 15060, 16781, 20760, 24347, 30120, 33562, 43423, 48694, 50343, 67124, 73041, 83905, 86846, 97388, 100686, 121735, 130269, 134248, 146082, 167810, 173692, 194776, 201372, 217115, 243470, 251715, 260538, 292164, 335620, 347384, 365205, 402744, 434230, 486940, 503430, 521076, 584328, 651345, 671240, 730410, 868460, 973880, 1006860, 1042152, 1302690, 1460820, 1736920, 2013720, 2605380, 2921640, 4212031, 5210760, 8424062, 12636093, 16848124, 21060155, 25272186, 33696248, 42120310, 50544372, 63180465, 84240620, 101088744, 126360930, 168481240, 252721860, 505443720]

約数ペア:

[(1, 505443720), (2, 252721860), (3, 168481240), (4, 126360930), (5, 101088744), (6, 84240620), (8, 63180465), (10, 50544372), (12, 42120310), (15, 33696248), (20, 25272186), (24, 21060155), (30, 16848124), (40, 12636093), (60, 8424062), (97, 5210760), (120, 4212031), (173, 2921640), (194, 2605380), (251, 2013720), (291, 1736920), (346, 1460820), (388, 1302690), (485, 1042152), (502, 1006860), (519, 973880), (582, 868460), (692, 730410), (753, 671240), (776, 651345), (865, 584328), (970, 521076), (1004, 503430), (1038, 486940), (1164, 434230), (1255, 402744), (1384, 365205), (1455, 347384), (1506, 335620), (1730, 292164), (1940, 260538), (2008, 251715), (2076, 243470), (2328, 217115), (2510, 201372), (2595, 194776), (2910, 173692), (3012, 167810), (3460, 146082), (3765, 134248), (3880, 130269), (4152, 121735), (5020, 100686), (5190, 97388), (5820, 86846), (6024, 83905), (6920, 73041), (7530, 67124), (10040, 50343), (10380, 48694), (11640, 43423), (15060, 33562), (16781, 30120), (20760, 24347)]