2220342390

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{409}}^1\times {\mathrm{1231}}^1$

素因数の和:1667

約数の個数: 144

約数和(自身を含む): 6737290560

約数和(自身を除く): 4516948170

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 49, 63, 70, 90, 98, 105, 126, 147, 210, 245, 294, 315, 409, 441, 490, 630, 735, 818, 882, 1227, 1231, 1470, 2045, 2205, 2454, 2462, 2863, 3681, 3693, 4090, 4410, 5726, 6135, 6155, 7362, 7386, 8589, 8617, 11079, 12270, 12310, 14315, 17178, 17234, 18405, 18465, 20041, 22158, 25767, 25851, 28630, 36810, 36930, 40082, 42945, 43085, 51534, 51702, 55395, 60123, 60319, 77553, 85890, 86170, 100205, 110790, 120246, 120638, 128835, 129255, 155106, 180369, 180957, 200410, 257670, 258510, 300615, 301595, 360738, 361914, 387765, 503479, 542871, 601230, 603190, 775530, 901845, 904785, 1006958, 1085742, 1510437, 1803690, 1809570, 2517395, 2714355, 3020874, 3524353, 4531311, 5034790, 5428710, 7048706, 7552185, 9062622, 10573059, 15104370, 17621765, 21146118, 22656555, 24670471, 31719177, 35243530, 45313110, 49340942, 52865295, 63438354, 74011413, 105730590, 123352355, 148022826, 158595885, 222034239, 246704710, 317191770, 370057065, 444068478, 740114130, 1110171195, 2220342390]

約数ペア:

[(1, 2220342390), (2, 1110171195), (3, 740114130), (5, 444068478), (6, 370057065), (7, 317191770), (9, 246704710), (10, 222034239), (14, 158595885), (15, 148022826), (18, 123352355), (21, 105730590), (30, 74011413), (35, 63438354), (42, 52865295), (45, 49340942), (49, 45313110), (63, 35243530), (70, 31719177), (90, 24670471), (98, 22656555), (105, 21146118), (126, 17621765), (147, 15104370), (210, 10573059), (245, 9062622), (294, 7552185), (315, 7048706), (409, 5428710), (441, 5034790), (490, 4531311), (630, 3524353), (735, 3020874), (818, 2714355), (882, 2517395), (1227, 1809570), (1231, 1803690), (1470, 1510437), (2045, 1085742), (2205, 1006958), (2454, 904785), (2462, 901845), (2863, 775530), (3681, 603190), (3693, 601230), (4090, 542871), (4410, 503479), (5726, 387765), (6135, 361914), (6155, 360738), (7362, 301595), (7386, 300615), (8589, 258510), (8617, 257670), (11079, 200410), (12270, 180957), (12310, 180369), (14315, 155106), (17178, 129255), (17234, 128835), (18405, 120638), (18465, 120246), (20041, 110790), (22158, 100205), (25767, 86170), (25851, 85890), (28630, 77553), (36810, 60319), (36930, 60123), (40082, 55395), (42945, 51702), (43085, 51534)]