2016759920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{181}}^1\times {\mathrm{197}}^1$

素因数の和:499

約数の個数: 160

約数和(自身を含む): 5469399936

約数和(自身を除く): 3452640016

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 101, 112, 140, 181, 197, 202, 280, 362, 394, 404, 505, 560, 707, 724, 788, 808, 905, 985, 1010, 1267, 1379, 1414, 1448, 1576, 1616, 1810, 1970, 2020, 2534, 2758, 2828, 2896, 3152, 3535, 3620, 3940, 4040, 5068, 5516, 5656, 6335, 6895, 7070, 7240, 7880, 8080, 10136, 11032, 11312, 12670, 13790, 14140, 14480, 15760, 18281, 19897, 20272, 22064, 25340, 27580, 28280, 35657, 36562, 39794, 50680, 55160, 56560, 71314, 73124, 79588, 91405, 99485, 101360, 110320, 127967, 139279, 142628, 146248, 159176, 178285, 182810, 198970, 249599, 255934, 278558, 285256, 292496, 318352, 356570, 365620, 397940, 499198, 511868, 557116, 570512, 639835, 696395, 713140, 731240, 795880, 998396, 1023736, 1114232, 1247995, 1279670, 1392790, 1426280, 1462480, 1591760, 1996792, 2047472, 2228464, 2495990, 2559340, 2785580, 2852560, 3601357, 3993584, 4991980, 5118680, 5571160, 7202714, 9983960, 10237360, 11142320, 14405428, 18006785, 19967920, 25209499, 28810856, 36013570, 50418998, 57621712, 72027140, 100837996, 126047495, 144054280, 201675992, 252094990, 288108560, 403351984, 504189980, 1008379960, 2016759920]

約数ペア:

[(1, 2016759920), (2, 1008379960), (4, 504189980), (5, 403351984), (7, 288108560), (8, 252094990), (10, 201675992), (14, 144054280), (16, 126047495), (20, 100837996), (28, 72027140), (35, 57621712), (40, 50418998), (56, 36013570), (70, 28810856), (80, 25209499), (101, 19967920), (112, 18006785), (140, 14405428), (181, 11142320), (197, 10237360), (202, 9983960), (280, 7202714), (362, 5571160), (394, 5118680), (404, 4991980), (505, 3993584), (560, 3601357), (707, 2852560), (724, 2785580), (788, 2559340), (808, 2495990), (905, 2228464), (985, 2047472), (1010, 1996792), (1267, 1591760), (1379, 1462480), (1414, 1426280), (1448, 1392790), (1576, 1279670), (1616, 1247995), (1810, 1114232), (1970, 1023736), (2020, 998396), (2534, 795880), (2758, 731240), (2828, 713140), (2896, 696395), (3152, 639835), (3535, 570512), (3620, 557116), (3940, 511868), (4040, 499198), (5068, 397940), (5516, 365620), (5656, 356570), (6335, 318352), (6895, 292496), (7070, 285256), (7240, 278558), (7880, 255934), (8080, 249599), (10136, 198970), (11032, 182810), (11312, 178285), (12670, 159176), (13790, 146248), (14140, 142628), (14480, 139279), (15760, 127967), (18281, 110320), (19897, 101360), (20272, 99485), (22064, 91405), (25340, 79588), (27580, 73124), (28280, 71314), (35657, 56560), (36562, 55160), (39794, 50680)]