90987120

素因数分解:

$2^4\times 3^2\times 5^1\times 7^2\times {\mathrm{2579}}^1$

素因数の和:2612

約数の個数: 180

約数和(自身を含む): 355591080

約数和(自身を除く): 264603960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 49, 56, 60, 63, 70, 72, 80, 84, 90, 98, 105, 112, 120, 126, 140, 144, 147, 168, 180, 196, 210, 240, 245, 252, 280, 294, 315, 336, 360, 392, 420, 441, 490, 504, 560, 588, 630, 720, 735, 784, 840, 882, 980, 1008, 1176, 1260, 1470, 1680, 1764, 1960, 2205, 2352, 2520, 2579, 2940, 3528, 3920, 4410, 5040, 5158, 5880, 7056, 7737, 8820, 10316, 11760, 12895, 15474, 17640, 18053, 20632, 23211, 25790, 30948, 35280, 36106, 38685, 41264, 46422, 51580, 54159, 61896, 72212, 77370, 90265, 92844, 103160, 108318, 116055, 123792, 126371, 144424, 154740, 162477, 180530, 185688, 206320, 216636, 232110, 252742, 270795, 288848, 309480, 324954, 361060, 371376, 379113, 433272, 464220, 505484, 541590, 618960, 631855, 649908, 722120, 758226, 812385, 866544, 928440, 1010968, 1083180, 1137339, 1263710, 1299816, 1444240, 1516452, 1624770, 1856880, 1895565, 2021936, 2166360, 2274678, 2527420, 2599632, 3032904, 3249540, 3791130, 4332720, 4549356, 5054840, 5686695, 6065808, 6499080, 7582260, 9098712, 10109680, 11373390, 12998160, 15164520, 18197424, 22746780, 30329040, 45493560, 90987120]

約数ペア:

[(1, 90987120), (2, 45493560), (3, 30329040), (4, 22746780), (5, 18197424), (6, 15164520), (7, 12998160), (8, 11373390), (9, 10109680), (10, 9098712), (12, 7582260), (14, 6499080), (15, 6065808), (16, 5686695), (18, 5054840), (20, 4549356), (21, 4332720), (24, 3791130), (28, 3249540), (30, 3032904), (35, 2599632), (36, 2527420), (40, 2274678), (42, 2166360), (45, 2021936), (48, 1895565), (49, 1856880), (56, 1624770), (60, 1516452), (63, 1444240), (70, 1299816), (72, 1263710), (80, 1137339), (84, 1083180), (90, 1010968), (98, 928440), (105, 866544), (112, 812385), (120, 758226), (126, 722120), (140, 649908), (144, 631855), (147, 618960), (168, 541590), (180, 505484), (196, 464220), (210, 433272), (240, 379113), (245, 371376), (252, 361060), (280, 324954), (294, 309480), (315, 288848), (336, 270795), (360, 252742), (392, 232110), (420, 216636), (441, 206320), (490, 185688), (504, 180530), (560, 162477), (588, 154740), (630, 144424), (720, 126371), (735, 123792), (784, 116055), (840, 108318), (882, 103160), (980, 92844), (1008, 90265), (1176, 77370), (1260, 72212), (1470, 61896), (1680, 54159), (1764, 51580), (1960, 46422), (2205, 41264), (2352, 38685), (2520, 36106), (2579, 35280), (2940, 30948), (3528, 25790), (3920, 23211), (4410, 20632), (5040, 18053), (5158, 17640), (5880, 15474), (7056, 12895), (7737, 11760), (8820, 10316)]