123665220

素因数分解:

$2^2\times 3^2\times 5^1\times 7^3\times {\mathrm{2003}}^1$

素因数の和:2039

約数の個数: 144

約数和(自身を含む): 437673600

約数和(自身を除く): 314008380

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 245, 252, 294, 315, 343, 420, 441, 490, 588, 630, 686, 735, 882, 980, 1029, 1260, 1372, 1470, 1715, 1764, 2003, 2058, 2205, 2940, 3087, 3430, 4006, 4116, 4410, 5145, 6009, 6174, 6860, 8012, 8820, 10015, 10290, 12018, 12348, 14021, 15435, 18027, 20030, 20580, 24036, 28042, 30045, 30870, 36054, 40060, 42063, 56084, 60090, 61740, 70105, 72108, 84126, 90135, 98147, 120180, 126189, 140210, 168252, 180270, 196294, 210315, 252378, 280420, 294441, 360540, 392588, 420630, 490735, 504756, 588882, 630945, 687029, 841260, 883323, 981470, 1177764, 1261890, 1374058, 1472205, 1766646, 1962940, 2061087, 2523780, 2748116, 2944410, 3435145, 3533292, 4122174, 4416615, 5888820, 6183261, 6870290, 8244348, 8833230, 10305435, 12366522, 13740580, 17666460, 20610870, 24733044, 30916305, 41221740, 61832610, 123665220]

約数ペア:

[(1, 123665220), (2, 61832610), (3, 41221740), (4, 30916305), (5, 24733044), (6, 20610870), (7, 17666460), (9, 13740580), (10, 12366522), (12, 10305435), (14, 8833230), (15, 8244348), (18, 6870290), (20, 6183261), (21, 5888820), (28, 4416615), (30, 4122174), (35, 3533292), (36, 3435145), (42, 2944410), (45, 2748116), (49, 2523780), (60, 2061087), (63, 1962940), (70, 1766646), (84, 1472205), (90, 1374058), (98, 1261890), (105, 1177764), (126, 981470), (140, 883323), (147, 841260), (180, 687029), (196, 630945), (210, 588882), (245, 504756), (252, 490735), (294, 420630), (315, 392588), (343, 360540), (420, 294441), (441, 280420), (490, 252378), (588, 210315), (630, 196294), (686, 180270), (735, 168252), (882, 140210), (980, 126189), (1029, 120180), (1260, 98147), (1372, 90135), (1470, 84126), (1715, 72108), (1764, 70105), (2003, 61740), (2058, 60090), (2205, 56084), (2940, 42063), (3087, 40060), (3430, 36054), (4006, 30870), (4116, 30045), (4410, 28042), (5145, 24036), (6009, 20580), (6174, 20030), (6860, 18027), (8012, 15435), (8820, 14021), (10015, 12348), (10290, 12018)]