203421780

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{199}}^1\times {\mathrm{631}}^1$

素因数の和:851

約数の個数: 120

約数和(自身を含む): 642364800

約数和(自身を除く): 438943020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 199, 270, 324, 398, 405, 540, 597, 631, 796, 810, 995, 1194, 1262, 1620, 1791, 1893, 1990, 2388, 2524, 2985, 3155, 3582, 3786, 3980, 5373, 5679, 5970, 6310, 7164, 7572, 8955, 9465, 10746, 11358, 11940, 12620, 16119, 17037, 17910, 18930, 21492, 22716, 26865, 28395, 32238, 34074, 35820, 37860, 51111, 53730, 56790, 64476, 68148, 80595, 85185, 102222, 107460, 113580, 125569, 161190, 170370, 204444, 251138, 255555, 322380, 340740, 376707, 502276, 511110, 627845, 753414, 1022220, 1130121, 1255690, 1506828, 1883535, 2260242, 2511380, 3390363, 3767070, 4520484, 5650605, 6780726, 7534140, 10171089, 11301210, 13561452, 16951815, 20342178, 22602420, 33903630, 40684356, 50855445, 67807260, 101710890, 203421780]

約数ペア:

[(1, 203421780), (2, 101710890), (3, 67807260), (4, 50855445), (5, 40684356), (6, 33903630), (9, 22602420), (10, 20342178), (12, 16951815), (15, 13561452), (18, 11301210), (20, 10171089), (27, 7534140), (30, 6780726), (36, 5650605), (45, 4520484), (54, 3767070), (60, 3390363), (81, 2511380), (90, 2260242), (108, 1883535), (135, 1506828), (162, 1255690), (180, 1130121), (199, 1022220), (270, 753414), (324, 627845), (398, 511110), (405, 502276), (540, 376707), (597, 340740), (631, 322380), (796, 255555), (810, 251138), (995, 204444), (1194, 170370), (1262, 161190), (1620, 125569), (1791, 113580), (1893, 107460), (1990, 102222), (2388, 85185), (2524, 80595), (2985, 68148), (3155, 64476), (3582, 56790), (3786, 53730), (3980, 51111), (5373, 37860), (5679, 35820), (5970, 34074), (6310, 32238), (7164, 28395), (7572, 26865), (8955, 22716), (9465, 21492), (10746, 18930), (11358, 17910), (11940, 17037), (12620, 16119)]