2016809865

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{239}}^1$

素因数の和:396

約数の個数: 144

約数和(自身を含む): 4225478400

約数和(自身を除く): 2208668535

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 43, 45, 49, 63, 89, 105, 129, 147, 215, 239, 245, 267, 301, 315, 387, 441, 445, 623, 645, 717, 735, 801, 903, 1195, 1335, 1505, 1673, 1869, 1935, 2107, 2151, 2205, 2709, 3115, 3585, 3827, 4005, 4361, 4515, 5019, 5607, 6321, 8365, 9345, 10277, 10535, 10755, 11481, 11711, 13083, 13545, 15057, 18963, 19135, 21271, 21805, 25095, 26789, 28035, 30831, 31605, 34443, 35133, 39249, 51385, 57405, 58555, 63813, 65415, 71939, 75285, 80367, 92493, 94815, 105399, 106355, 133945, 148897, 154155, 172215, 175665, 187523, 191439, 196245, 215817, 241101, 319065, 359695, 401835, 446691, 462465, 503573, 526995, 562569, 647451, 744485, 914653, 937615, 957195, 1042279, 1079085, 1205505, 1340073, 1510719, 1687707, 2233455, 2517865, 2743959, 2812845, 3126837, 3237255, 4532157, 4573265, 5211395, 6402571, 6700365, 7553595, 8231877, 8438535, 9380511, 13719795, 15634185, 19207713, 22660785, 32012855, 41159385, 44817997, 46902555, 57623139, 96038565, 134453991, 224089985, 288115695, 403361973, 672269955, 2016809865]

約数ペア:

[(1, 2016809865), (3, 672269955), (5, 403361973), (7, 288115695), (9, 224089985), (15, 134453991), (21, 96038565), (35, 57623139), (43, 46902555), (45, 44817997), (49, 41159385), (63, 32012855), (89, 22660785), (105, 19207713), (129, 15634185), (147, 13719795), (215, 9380511), (239, 8438535), (245, 8231877), (267, 7553595), (301, 6700365), (315, 6402571), (387, 5211395), (441, 4573265), (445, 4532157), (623, 3237255), (645, 3126837), (717, 2812845), (735, 2743959), (801, 2517865), (903, 2233455), (1195, 1687707), (1335, 1510719), (1505, 1340073), (1673, 1205505), (1869, 1079085), (1935, 1042279), (2107, 957195), (2151, 937615), (2205, 914653), (2709, 744485), (3115, 647451), (3585, 562569), (3827, 526995), (4005, 503573), (4361, 462465), (4515, 446691), (5019, 401835), (5607, 359695), (6321, 319065), (8365, 241101), (9345, 215817), (10277, 196245), (10535, 191439), (10755, 187523), (11481, 175665), (11711, 172215), (13083, 154155), (13545, 148897), (15057, 133945), (18963, 106355), (19135, 105399), (21271, 94815), (21805, 92493), (25095, 80367), (26789, 75285), (28035, 71939), (30831, 65415), (31605, 63813), (34443, 58555), (35133, 57405), (39249, 51385)]