2080208520

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{647}}^1$

素因数の和:909

約数の個数: 256

約数和(自身を含む): 7511616000

約数和(自身を除く): 5431407480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 52, 54, 60, 65, 72, 78, 90, 104, 108, 117, 120, 130, 135, 156, 180, 195, 216, 229, 234, 260, 270, 312, 351, 360, 390, 458, 468, 520, 540, 585, 647, 687, 702, 780, 916, 936, 1080, 1145, 1170, 1294, 1374, 1404, 1560, 1755, 1832, 1941, 2061, 2290, 2340, 2588, 2748, 2808, 2977, 3235, 3435, 3510, 3882, 4122, 4580, 4680, 5176, 5496, 5823, 5954, 6183, 6470, 6870, 7020, 7764, 8244, 8411, 8931, 9160, 9705, 10305, 11646, 11908, 12366, 12940, 13740, 14040, 14885, 15528, 16488, 16822, 17469, 17862, 19410, 20610, 23292, 23816, 24732, 25233, 25880, 26793, 27480, 29115, 29770, 30915, 33644, 34938, 35724, 38820, 41220, 42055, 44655, 46584, 49464, 50466, 53586, 58230, 59540, 61830, 67288, 69876, 71448, 75699, 77640, 80379, 82440, 84110, 87345, 89310, 100932, 107172, 116460, 119080, 123660, 126165, 133965, 139752, 148163, 151398, 160758, 168220, 174690, 178620, 201864, 214344, 227097, 232920, 247320, 252330, 267930, 296326, 302796, 321516, 336440, 349380, 357240, 378495, 401895, 444489, 454194, 504660, 535860, 592652, 605592, 643032, 698760, 740815, 756990, 803790, 888978, 908388, 1009320, 1071720, 1135485, 1185304, 1333467, 1481630, 1513980, 1607580, 1777956, 1816776, 1926119, 2222445, 2270970, 2666934, 2963260, 3027960, 3215160, 3555912, 3852238, 4000401, 4444890, 4541940, 5333868, 5778357, 5926520, 6667335, 7704476, 8000802, 8889780, 9083880, 9630595, 10667736, 11556714, 13334670, 15408952, 16001604, 17335071, 17779560, 19261190, 20002005, 23113428, 26669340, 28891785, 32003208, 34670142, 38522380, 40004010, 46226856, 52005213, 53338680, 57783570, 69340284, 77044760, 80008020, 86675355, 104010426, 115567140, 138680568, 160016040, 173350710, 208020852, 231134280, 260026065, 346701420, 416041704, 520052130, 693402840, 1040104260, 2080208520]

約数ペア:

[(1, 2080208520), (2, 1040104260), (3, 693402840), (4, 520052130), (5, 416041704), (6, 346701420), (8, 260026065), (9, 231134280), (10, 208020852), (12, 173350710), (13, 160016040), (15, 138680568), (18, 115567140), (20, 104010426), (24, 86675355), (26, 80008020), (27, 77044760), (30, 69340284), (36, 57783570), (39, 53338680), (40, 52005213), (45, 46226856), (52, 40004010), (54, 38522380), (60, 34670142), (65, 32003208), (72, 28891785), (78, 26669340), (90, 23113428), (104, 20002005), (108, 19261190), (117, 17779560), (120, 17335071), (130, 16001604), (135, 15408952), (156, 13334670), (180, 11556714), (195, 10667736), (216, 9630595), (229, 9083880), (234, 8889780), (260, 8000802), (270, 7704476), (312, 6667335), (351, 5926520), (360, 5778357), (390, 5333868), (458, 4541940), (468, 4444890), (520, 4000401), (540, 3852238), (585, 3555912), (647, 3215160), (687, 3027960), (702, 2963260), (780, 2666934), (916, 2270970), (936, 2222445), (1080, 1926119), (1145, 1816776), (1170, 1777956), (1294, 1607580), (1374, 1513980), (1404, 1481630), (1560, 1333467), (1755, 1185304), (1832, 1135485), (1941, 1071720), (2061, 1009320), (2290, 908388), (2340, 888978), (2588, 803790), (2748, 756990), (2808, 740815), (2977, 698760), (3235, 643032), (3435, 605592), (3510, 592652), (3882, 535860), (4122, 504660), (4580, 454194), (4680, 444489), (5176, 401895), (5496, 378495), (5823, 357240), (5954, 349380), (6183, 336440), (6470, 321516), (6870, 302796), (7020, 296326), (7764, 267930), (8244, 252330), (8411, 247320), (8931, 232920), (9160, 227097), (9705, 214344), (10305, 201864), (11646, 178620), (11908, 174690), (12366, 168220), (12940, 160758), (13740, 151398), (14040, 148163), (14885, 139752), (15528, 133965), (16488, 126165), (16822, 123660), (17469, 119080), (17862, 116460), (19410, 107172), (20610, 100932), (23292, 89310), (23816, 87345), (24732, 84110), (25233, 82440), (25880, 80379), (26793, 77640), (27480, 75699), (29115, 71448), (29770, 69876), (30915, 67288), (33644, 61830), (34938, 59540), (35724, 58230), (38820, 53586), (41220, 50466), (42055, 49464), (44655, 46584)]